<!DOCTYPE html>

<html lang="en">
<head>
	<meta charset="utf-8">
	<title>Phaser Source: src/input/Keyboard.js</title>

	<!--[if lt IE 9]>
	<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
	<![endif]-->

	<link type="text/css" rel="stylesheet" href="styles/default.css">

	<link type="text/css" rel="stylesheet" href="styles/sunlight.default.css">

	
	<link type="text/css" rel="stylesheet" href="styles/site.cerulean.css">
	
</head>

<body>

<div class="container-fluid">
	<div class="navbar navbar-fixed-top navbar-inverse">
		<div style="position: absolute; width: 143px; height: 31px; right: 10px; top: 10px; z-index: 1050"><a href="http://phaser.io"><img src="img/phaser.png" border="0" /></a></div>
		<div class="navbar-inner">
			<a class="brand" href="index.html">Phaser API</a>
			<ul class="nav">

				
				<li class="dropdown">
					<a href="namespaces.list.html" class="dropdown-toggle" data-toggle="dropdown">Namespaces<b
						class="caret"></b></a>

					<ul class="dropdown-menu ">
						
						<li class="class-depth-0">
							<a href="Phaser.html">Phaser</a>
						</li>
						
						<li class="class-depth-0">
							<a href="PIXI.html">PIXI</a>
						</li>
						

					</ul>
				</li>
				
				<li class="dropdown">
					<a href="classes.list.html" class="dropdown-toggle" data-toggle="dropdown">Classes<b
						class="caret"></b></a>

					<ul class="dropdown-menu ">
						
						<li class="class-depth-0">
							<a href="Event.html">Event</a>
						</li>
						
						<li class="class-depth-0">
							<a href="EventTarget.html">EventTarget</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Animation.html">Animation</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.AnimationManager.html">AnimationManager</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.AnimationParser.html">AnimationParser</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.ArraySet.html">ArraySet</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.ArrayUtils.html">ArrayUtils</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.AudioSprite.html">AudioSprite</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.BitmapData.html">BitmapData</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.BitmapText.html">BitmapText</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Bullet.html">Bullet</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Button.html">Button</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Cache.html">Cache</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Camera.html">Camera</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Canvas.html">Canvas</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Circle.html">Circle</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Color.html">Color</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.Angle.html">Angle</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.Animation.html">Animation</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.AutoCull.html">AutoCull</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.Bounds.html">Bounds</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.BringToTop.html">BringToTop</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.Core.html">Core</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.Crop.html">Crop</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.Delta.html">Delta</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.Destroy.html">Destroy</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.FixedToCamera.html">FixedToCamera</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.Health.html">Health</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.InCamera.html">InCamera</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.InputEnabled.html">InputEnabled</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.InWorld.html">InWorld</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.LifeSpan.html">LifeSpan</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.LoadTexture.html">LoadTexture</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.Overlap.html">Overlap</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.PhysicsBody.html">PhysicsBody</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.Reset.html">Reset</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.ScaleMinMax.html">ScaleMinMax</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Component.Smoothed.html">Smoothed</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Create.html">Create</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Creature.html">Creature</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Device.html">Device</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.DeviceButton.html">DeviceButton</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.DOM.html">DOM</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Easing.html">Easing</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Easing.Back.html">Back</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Easing.Bounce.html">Bounce</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Easing.Circular.html">Circular</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Easing.Cubic.html">Cubic</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Easing.Elastic.html">Elastic</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Easing.Exponential.html">Exponential</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Easing.Linear.html">Linear</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Easing.Quadratic.html">Quadratic</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Easing.Quartic.html">Quartic</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Easing.Quintic.html">Quintic</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Easing.Sinusoidal.html">Sinusoidal</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Ellipse.html">Ellipse</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Events.html">Events</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Filter.html">Filter</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.FlexGrid.html">FlexGrid</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.FlexLayer.html">FlexLayer</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Frame.html">Frame</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.FrameData.html">FrameData</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Game.html">Game</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.GameObjectCreator.html">GameObjectCreator</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.GameObjectFactory.html">GameObjectFactory</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Gamepad.html">Gamepad</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Graphics.html">Graphics</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Group.html">Group</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Hermite.html">Hermite</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Image.html">Image</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.ImageCollection.html">ImageCollection</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Input.html">Input</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.InputHandler.html">InputHandler</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Key.html">Key</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Keyboard.html">Keyboard</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.KeyCode.html">KeyCode</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Line.html">Line</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.LinkedList.html">LinkedList</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Loader.html">Loader</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.LoaderParser.html">LoaderParser</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Math.html">Math</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Matrix.html">Matrix</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Mouse.html">Mouse</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.MSPointer.html">MSPointer</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Net.html">Net</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Particle.html">Particle</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Particles.html">Particles</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Particles.Arcade.html">Arcade</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Particles.Arcade.Emitter.html">Emitter</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Path.html">Path</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.PathFollower.html">PathFollower</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.PathPoint.html">PathPoint</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Physics.html">Physics</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Physics.Arcade.html">Arcade</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.Arcade.Body.html">Body</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.Arcade.TilemapCollision.html">TilemapCollision</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Physics.Ninja.html">Ninja</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.Ninja.AABB.html">AABB</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.Ninja.Body.html">Body</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.Ninja.Circle.html">Circle</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.Ninja.Tile.html">Tile</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Physics.P2.html">P2</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.Body.html">Body</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.BodyDebug.html">BodyDebug</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.CollisionGroup.html">CollisionGroup</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.ContactMaterial.html">ContactMaterial</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.DistanceConstraint.html">DistanceConstraint</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.FixtureList.html">FixtureList</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.GearConstraint.html">GearConstraint</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.InversePointProxy.html">InversePointProxy</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.LockConstraint.html">LockConstraint</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.Material.html">Material</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.PointProxy.html">PointProxy</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.PrismaticConstraint.html">PrismaticConstraint</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.RevoluteConstraint.html">RevoluteConstraint</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.RotationalSpring.html">RotationalSpring</a>
						</li>
						
						<li class="class-depth-3">
							<a href="Phaser.Physics.P2.Spring.html">Spring</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Plugin.html">Plugin</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Plugin.PathManager.html">PathManager</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.PluginManager.html">PluginManager</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Point.html">Point</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Pointer.html">Pointer</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.PointerMode.html">PointerMode</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Polygon.html">Polygon</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.QuadTree.html">QuadTree</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.RandomDataGenerator.html">RandomDataGenerator</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Rectangle.html">Rectangle</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.RenderTexture.html">RenderTexture</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.RequestAnimationFrame.html">RequestAnimationFrame</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.RetroFont.html">RetroFont</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Rope.html">Rope</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.RoundedRectangle.html">RoundedRectangle</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.ScaleManager.html">ScaleManager</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Signal.html">Signal</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.SignalBinding.html">SignalBinding</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.SinglePad.html">SinglePad</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Sound.html">Sound</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.SoundManager.html">SoundManager</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Sprite.html">Sprite</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.SpriteBatch.html">SpriteBatch</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Stage.html">Stage</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.State.html">State</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.StateManager.html">StateManager</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Text.html">Text</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Tile.html">Tile</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Tilemap.html">Tilemap</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.TilemapLayer.html">TilemapLayer</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.TilemapParser.html">TilemapParser</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Tileset.html">Tileset</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.TileSprite.html">TileSprite</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Time.html">Time</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Timer.html">Timer</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.TimerEvent.html">TimerEvent</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Touch.html">Touch</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Tween.html">Tween</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.TweenData.html">TweenData</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.TweenManager.html">TweenManager</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Utils.html">Utils</a>
						</li>
						
						<li class="class-depth-2">
							<a href="Phaser.Utils.Debug.html">Debug</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Video.html">Video</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.Weapon.html">Weapon</a>
						</li>
						
						<li class="class-depth-1">
							<a href="Phaser.World.html">World</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.AbstractFilter.html">AbstractFilter</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.BaseTexture.html">BaseTexture</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.CanvasBuffer.html">CanvasBuffer</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.CanvasGraphics.html">CanvasGraphics</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.CanvasMaskManager.html">CanvasMaskManager</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.CanvasPool.html">CanvasPool</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.CanvasRenderer.html">CanvasRenderer</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.CanvasTinter.html">CanvasTinter</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.ComplexPrimitiveShader.html">ComplexPrimitiveShader</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.DisplayObjectContainer.html">DisplayObjectContainer</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.EarCut.html">EarCut</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.Event.html">Event</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.EventTarget.html">EventTarget</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.FilterTexture.html">FilterTexture</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.Graphics.html">Graphics</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.GraphicsData.html">GraphicsData</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.PIXI.html">PIXI</a>
						</li>
						
						<li class="class-depth-2">
							<a href="PIXI.PIXI.DisplayObject.html">DisplayObject</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.PixiFastShader.html">PixiFastShader</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.PixiShader.html">PixiShader</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.PrimitiveShader.html">PrimitiveShader</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.RenderTexture.html">RenderTexture</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.Rope.html">Rope</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.Sprite.html">Sprite</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.SpriteBatch.html">SpriteBatch</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.Strip.html">Strip</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.StripShader.html">StripShader</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.Texture.html">Texture</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.TilingSprite.html">TilingSprite</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.WebGLBlendModeManager.html">WebGLBlendModeManager</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.WebGLFastSpriteBatch.html">WebGLFastSpriteBatch</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.WebGLFilterManager.html">WebGLFilterManager</a>
						</li>
						
						<li class="class-depth-1">
							<a href="PIXI.WebGLRenderer.html">WebGLRenderer</a>
						</li>
						

					</ul>
				</li>
				
				<li class="dropdown">
					<a href="global.html" class="dropdown-toggle" data-toggle="dropdown">Global<b
						class="caret"></b></a>

					<ul class="dropdown-menu ">
						
						<li class="class-depth-0">
							<a href="global.html#ANGLE_DOWN">ANGLE_DOWN</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#ANGLE_LEFT">ANGLE_LEFT</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#ANGLE_NORTH_EAST">ANGLE_NORTH_EAST</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#ANGLE_NORTH_WEST">ANGLE_NORTH_WEST</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#ANGLE_RIGHT">ANGLE_RIGHT</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#ANGLE_SOUTH_EAST">ANGLE_SOUTH_EAST</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#ANGLE_SOUTH_WEST">ANGLE_SOUTH_WEST</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#ANGLE_UP">ANGLE_UP</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#AUTO">AUTO</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#BITMAPDATA">BITMAPDATA</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#BITMAPTEXT">BITMAPTEXT</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#blendModes">blendModes</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#BOTTOM_CENTER">BOTTOM_CENTER</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#BOTTOM_LEFT">BOTTOM_LEFT</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#BOTTOM_RIGHT">BOTTOM_RIGHT</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#BUTTON">BUTTON</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#CANVAS">CANVAS</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#CANVAS_FILTER">CANVAS_FILTER</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#CENTER">CENTER</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#CIRCLE">CIRCLE</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#CREATURE">CREATURE</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#displayList">displayList</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#DOWN">DOWN</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#ELLIPSE">ELLIPSE</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#emit">emit</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#EMITTER">EMITTER</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#GAMES">GAMES</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#GRAPHICS">GRAPHICS</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#GROUP">GROUP</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#HEADLESS">HEADLESS</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#HORIZONTAL">HORIZONTAL</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#IMAGE">IMAGE</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#LANDSCAPE">LANDSCAPE</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#LEFT">LEFT</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#LEFT_BOTTOM">LEFT_BOTTOM</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#LEFT_CENTER">LEFT_CENTER</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#LEFT_TOP">LEFT_TOP</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#LINE">LINE</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#listeners">listeners</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#MATRIX">MATRIX</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#mixin">mixin</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#NONE">NONE</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#off">off</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#on">on</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#once">once</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#PENDING_ATLAS">PENDING_ATLAS</a>
						</li>
						
						<li class="class-depth-2">
							<a href="global.html#Phaser.Path#numPointsreturn%257Bnumber%257DThetotalnumberofPathPointsinthisPath.">Phaser.Path#numPoints
return {number} The total number of PathPoints in this Path.</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#POINT">POINT</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#POINTER">POINTER</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#POLYGON">POLYGON</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#PORTRAIT">PORTRAIT</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#RECTANGLE">RECTANGLE</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#removeAllListeners">removeAllListeners</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#RENDERTEXTURE">RENDERTEXTURE</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#RETROFONT">RETROFONT</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#RIGHT">RIGHT</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#RIGHT_BOTTOM">RIGHT_BOTTOM</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#RIGHT_CENTER">RIGHT_CENTER</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#RIGHT_TOP">RIGHT_TOP</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#ROPE">ROPE</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#ROUNDEDRECTANGLE">ROUNDEDRECTANGLE</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#scaleModes">scaleModes</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#SPRITE">SPRITE</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#SPRITEBATCH">SPRITEBATCH</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#stopImmediatePropagation">stopImmediatePropagation</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#stopPropagation">stopPropagation</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#TEXT">TEXT</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#TILEMAP">TILEMAP</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#TILEMAPLAYER">TILEMAPLAYER</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#TILESPRITE">TILESPRITE</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#TOP_CENTER">TOP_CENTER</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#TOP_LEFT">TOP_LEFT</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#TOP_RIGHT">TOP_RIGHT</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#UP">UP</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#VERSION">VERSION</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#VERTICAL">VERTICAL</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#VIDEO">VIDEO</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#WEBGL">WEBGL</a>
						</li>
						
						<li class="class-depth-0">
							<a href="global.html#WEBGL_FILTER">WEBGL_FILTER</a>
						</li>
						

					</ul>
				</li>
				

				<li class="dropdown">
					<a href="#" class="dropdown-toggle" data-toggle="dropdown">Core<b class="caret"></b></a>
					<ul class="dropdown-menu ">
						<li class="class-depth-1"><a href="Phaser.Game.html">Game</a></li>
						<li class="class-depth-1"><a href="Phaser.Group.html">Group</a></li>
						<li class="class-depth-1"><a href="Phaser.World.html">World</a></li>
						<li class="class-depth-1"><a href="Phaser.Loader.html">Loader</a></li>
						<li class="class-depth-1"><a href="Phaser.Cache.html">Cache</a></li>
						<li class="class-depth-1"><a href="Phaser.Time.html">Time</a></li>
						<li class="class-depth-1"><a href="Phaser.Camera.html">Camera</a></li>
						<li class="class-depth-1"><a href="Phaser.StateManager.html">State Manager</a></li>
						<li class="class-depth-1"><a href="Phaser.TweenManager.html">Tween Manager</a></li>
						<li class="class-depth-1"><a href="Phaser.SoundManager.html">Sound Manager</a></li>
						<li class="class-depth-1"><a href="Phaser.Input.html">Input Manager</a></li>
						<li class="class-depth-1"><a href="Phaser.ScaleManager.html">Scale Manager</a></li>
					</ul>
				</li>

				<li class="dropdown">
					<a href="#" class="dropdown-toggle" data-toggle="dropdown">Game Objects<b class="caret"></b></a>
					<ul class="dropdown-menu ">
						<li class="class-depth-1"><a href="Phaser.GameObjectFactory.html">Factory (game.add)</a></li>
						<li class="class-depth-1"><a href="Phaser.GameObjectCreator.html">Creator (game.make)</a></li>
						<li class="class-depth-1"><a href="Phaser.Sprite.html">Sprite</a></li>
						<li class="class-depth-1"><a href="Phaser.Image.html">Image</a></li>
						<li class="class-depth-1"><a href="Phaser.Sound.html">Sound</a></li>
						<li class="class-depth-1"><a href="Phaser.Video.html">Video</a></li>
						<li class="class-depth-1"><a href="Phaser.Particles.Arcade.Emitter.html">Particle Emitter</a></li>
						<li class="class-depth-1"><a href="Phaser.Particle.html">Particle</a></li>
						<li class="class-depth-1"><a href="Phaser.Text.html">Text</a></li>
						<li class="class-depth-1"><a href="Phaser.Tween.html">Tween</a></li>
						<li class="class-depth-1"><a href="Phaser.BitmapText.html">BitmapText</a></li>
						<li class="class-depth-1"><a href="Phaser.Tilemap.html">Tilemap</a></li>
						<li class="class-depth-1"><a href="Phaser.BitmapData.html">BitmapData</a></li>
						<li class="class-depth-1"><a href="Phaser.RetroFont.html">RetroFont</a></li>
						<li class="class-depth-1"><a href="Phaser.Button.html">Button</a></li>
						<li class="class-depth-1"><a href="Phaser.Animation.html">Animation</a></li>
						<li class="class-depth-1"><a href="Phaser.Graphics.html">Graphics</a></li>
						<li class="class-depth-1"><a href="Phaser.RenderTexture.html">RenderTexture</a></li>
						<li class="class-depth-1"><a href="Phaser.TileSprite.html">TileSprite</a></li>
					</ul>
				</li>

				<li class="dropdown">
					<a href="#" class="dropdown-toggle" data-toggle="dropdown">Geometry<b class="caret"></b></a>
					<ul class="dropdown-menu ">
						<li class="class-depth-1"><a href="Phaser.Circle.html">Circle</a></li>
						<li class="class-depth-1"><a href="Phaser.Ellipse.html">Ellipse</a></li>
						<li class="class-depth-1"><a href="Phaser.Line.html">Line</a></li>
						<li class="class-depth-1"><a href="Phaser.Matrix.html">Matrix</a></li>
						<li class="class-depth-1"><a href="Phaser.Point.html">Point</a></li>
						<li class="class-depth-1"><a href="Phaser.Polygon.html">Polygon</a></li>
						<li class="class-depth-1"><a href="Phaser.Rectangle.html">Rectangle</a></li>
						<li class="class-depth-1"><a href="Phaser.RoundedRectangle.html">Rounded Rectangle</a></li>
					</ul>
				</li>

				<li class="dropdown">
					<a href="#" class="dropdown-toggle" data-toggle="dropdown">Physics<b class="caret"></b></a>
					<ul class="dropdown-menu ">
						<li class="class-depth-1"><a href="Phaser.Physics.Arcade.html">Arcade Physics</a></li>
						<li class="class-depth-2"><a href="Phaser.Physics.Arcade.Body.html">Body</a></li>
						<li class="class-depth-2"><a href="Phaser.Weapon.html">Weapon</a></li>
						<li class="class-depth-1"><a href="Phaser.Physics.P2.html">P2 Physics</a></li>
						<li class="class-depth-2"><a href="Phaser.Physics.P2.Body.html">Body</a></li>
						<li class="class-depth-2"><a href="Phaser.Physics.P2.Spring.html">Spring</a></li>
						<li class="class-depth-2"><a href="Phaser.Physics.P2.CollisionGroup.html">CollisionGroup</a></li>
						<li class="class-depth-2"><a href="Phaser.Physics.P2.ContactMaterial.html">ContactMaterial</a></li>
						<li class="class-depth-1"><a href="Phaser.Physics.Ninja.html">Ninja Physics</a></li>
						<li class="class-depth-2"><a href="Phaser.Physics.Body.html">Body</a></li>
					</ul>
				</li>

				<li class="dropdown">
					<a href="#" class="dropdown-toggle" data-toggle="dropdown">Input<b class="caret"></b></a>
					<ul class="dropdown-menu ">
						<li class="class-depth-1"><a href="Phaser.InputHandler.html">Input Handler</a></li>
						<li class="class-depth-1"><a href="Phaser.Pointer.html">Pointer</a></li>
						<li class="class-depth-1"><a href="Phaser.DeviceButton.html">Device Button</a></li>
						<li class="class-depth-1"><a href="Phaser.Mouse.html">Mouse</a></li>
						<li class="class-depth-1"><a href="Phaser.Keyboard.html">Keyboard</a></li>
						<li class="class-depth-1"><a href="Phaser.Key.html">Key</a></li>
						<li class="class-depth-1"><a href="Phaser.KeyCode.html">Key Codes</a></li>
						<li class="class-depth-1"><a href="Phaser.Gamepad.html">Gamepad</a></li>
					</ul>
				</li>

				<li class="dropdown">
					<a href="#" class="dropdown-toggle" data-toggle="dropdown">Community<b class="caret"></b></a>
					<ul class="dropdown-menu ">
						<li class="class-depth-1"><a href="http://phaser.io">Phaser Web Site</a></li>
						<li class="class-depth-1"><a href="https://github.com/photonstorm/phaser">Phaser Github</a></li>
						<li class="class-depth-1"><a href="http://phaser.io/examples">Phaser Examples</a></li>
						<li class="class-depth-1"><a href="https://github.com/photonstorm/phaser-plugins">Phaser Plugins</a></li>
						<li class="class-depth-1"><a href="http://www.html5gamedevs.com/forum/14-phaser/">Forum</a></li>
						<li class="class-depth-1"><a href="http://stackoverflow.com/questions/tagged/phaser-framework">Stack Overflow</a></li>
						<li class="class-depth-1"><a href="http://phaser.io/learn">Tutorials</a></li>
						<li class="class-depth-1"><a href="http://phaser.io/community/newsletter">Newsletter</a></li>
						<li class="class-depth-1"><a href="http://phaser.io/community/twitter">Twitter</a></li>
						<li class="class-depth-1"><a href="http://phaser.io/community/slack">Slack</a></li>
						<li class="class-depth-1"><a href="http://phaser.io/community/donate">Donate</a></li>
						<li class="class-depth-1"><a href="https://www.codeandweb.com/texturepacker/phaser">Texture Packer</a></li>
					</ul>
				</li>

			</ul>
		</div>
	</div>

	<div class="row-fluid">

		
			<div class="span12">
				
				<div id="main">
					


		<h1 class="page-title">Source: src/input/Keyboard.js</h1>
    
    <section>
        <article>
            <pre class="sunlight-highlight-javascript linenums">/**
* @author       Richard Davey &lt;rich@photonstorm.com>
* @copyright    2016 Photon Storm Ltd.
* @license      {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/

/**
* The Keyboard class monitors keyboard input and dispatches keyboard events.
*
* _Note_: many keyboards are unable to process certain combinations of keys due to hardware limitations known as ghosting.
* See http://www.html5gamedevs.com/topic/4876-impossible-to-use-more-than-2-keyboard-input-buttons-at-the-same-time/ for more details.
*
* Also please be aware that certain browser extensions can disable or override Phaser keyboard handling.
* For example the Chrome extension vimium is known to disable Phaser from using the D key. And there are others.
* So please check your extensions before opening Phaser issues.
*
* @class Phaser.Keyboard
* @constructor
* @param {Phaser.Game} game - A reference to the currently running game.
*/
Phaser.Keyboard = function (game) {

    /**
    * @property {Phaser.Game} game - Local reference to game.
    */
    this.game = game;

    /**
    * Keyboard input will only be processed if enabled.
    * @property {boolean} enabled
    * @default
    */
    this.enabled = true;

    /**
    * @property {object} event - The most recent DOM event from keydown or keyup. This is updated every time a new key is pressed or released.
    */
    this.event = null;

    /**
    * @property {object} pressEvent - The most recent DOM event from keypress.
    */
    this.pressEvent = null;

    /**
    * @property {object} callbackContext - The context under which the callbacks are run.
    */
    this.callbackContext = this;

    /**
    * @property {function} onDownCallback - This callback is invoked every time a key is pressed down, including key repeats when a key is held down.
    */
    this.onDownCallback = null;

    /**
    * @property {function} onPressCallback - This callback is invoked every time a DOM onkeypress event is raised, which is only for printable keys.
    */
    this.onPressCallback = null;

    /**
    * @property {function} onUpCallback - This callback is invoked every time a key is released.
    */
    this.onUpCallback = null;

    /**
    * @property {array&lt;Phaser.Key>} _keys - The array the Phaser.Key objects are stored in.
    * @private
    */
    this._keys = [];

    /**
    * @property {array} _capture - The array the key capture values are stored in.
    * @private
    */
    this._capture = [];

    /**
    * @property {function} _onKeyDown
    * @private
    * @default
    */
    this._onKeyDown = null;

    /**
    * @property {function} _onKeyPress
    * @private
    * @default
    */
    this._onKeyPress = null;

    /**
    * @property {function} _onKeyUp
    * @private
    * @default
    */
    this._onKeyUp = null;

    /**
    * @property {number} _i - Internal cache var
    * @private
    */
    this._i = 0;

    /**
    * @property {number} _k - Internal cache var
    * @private
    */
    this._k = 0;

};

Phaser.Keyboard.prototype = {

    /**
    * Add callbacks to the Keyboard handler so that each time a key is pressed down or released the callbacks are activated.
    *
    * @method Phaser.Keyboard#addCallbacks
    * @param {object} context - The context under which the callbacks are run.
    * @param {function} [onDown=null] - This callback is invoked every time a key is pressed down.
    * @param {function} [onUp=null] - This callback is invoked every time a key is released.
    * @param {function} [onPress=null] - This callback is invoked every time the onkeypress event is raised.
    */
    addCallbacks: function (context, onDown, onUp, onPress) {

        this.callbackContext = context;

        if (onDown !== undefined &amp;&amp; onDown !== null)
        {
            this.onDownCallback = onDown;
        }

        if (onUp !== undefined &amp;&amp; onUp !== null)
        {
            this.onUpCallback = onUp;
        }

        if (onPress !== undefined &amp;&amp; onPress !== null)
        {
            this.onPressCallback = onPress;
        }

    },

    /**
    * If you need more fine-grained control over a Key you can create a new Phaser.Key object via this method.
    * The Key object can then be polled, have events attached to it, etc.
    *
    * @method Phaser.Keyboard#addKey
    * @param {integer} keycode - The {@link Phaser.KeyCode keycode} of the key.
    * @return {Phaser.Key} The Key object which you can store locally and reference directly.
    */
    addKey: function (keycode) {

        if (!this._keys[keycode])
        {
            this._keys[keycode] = new Phaser.Key(this.game, keycode);

            this.addKeyCapture(keycode);
        }

        return this._keys[keycode];

    },

    /**
    * A practical way to create an object containing user selected hotkeys.
    *
    * For example,
    *
    *     addKeys( { 'up': Phaser.KeyCode.W, 'down': Phaser.KeyCode.S, 'left': Phaser.KeyCode.A, 'right': Phaser.KeyCode.D } );
    *
    * would return an object containing properties (`up`, `down`, `left` and `right`) referring to {@link Phaser.Key} object.
    *
    * @method Phaser.Keyboard#addKeys
    * @param {object} keys - A key mapping object, i.e. `{ 'up': Phaser.KeyCode.W, 'down': Phaser.KeyCode.S }` or `{ 'up': 52, 'down': 53 }`.
    * @return {object} An object containing the properties mapped to {@link Phaser.Key} values.
    */
    addKeys: function (keys) {

        var output = {};

        for (var key in keys)
        {
            output[key] = this.addKey(keys[key]);
        }

        return output;

    },

    /**
    * Removes a Key object from the Keyboard manager.
    *
    * @method Phaser.Keyboard#removeKey
    * @param {integer} keycode - The {@link Phaser.KeyCode keycode} of the key to remove.
    */
    removeKey: function (keycode) {

        if (this._keys[keycode])
        {
            this._keys[keycode] = null;

            this.removeKeyCapture(keycode);
        }

    },

    /**
    * Creates and returns an object containing 4 hotkeys for Up, Down, Left and Right.
    *
    * @method Phaser.Keyboard#createCursorKeys
    * @return {object} An object containing properties: `up`, `down`, `left` and `right` of {@link Phaser.Key} objects.
    */
    createCursorKeys: function () {

        return this.addKeys({ 'up': Phaser.KeyCode.UP, 'down': Phaser.KeyCode.DOWN, 'left': Phaser.KeyCode.LEFT, 'right': Phaser.KeyCode.RIGHT });

    },

    /**
    * Starts the Keyboard event listeners running (keydown and keyup). They are attached to the window.
    * This is called automatically by Phaser.Input and should not normally be invoked directly.
    *
    * @method Phaser.Keyboard#start
    * @protected
    */
    start: function () {

        if (this.game.device.cocoonJS)
        {
            return;
        }

        if (this._onKeyDown !== null)
        {
            //  Avoid setting multiple listeners
            return;
        }

        var _this = this;

        this._onKeyDown = function (event) {
            return _this.processKeyDown(event);
        };

        this._onKeyUp = function (event) {
            return _this.processKeyUp(event);
        };

        this._onKeyPress = function (event) {
            return _this.processKeyPress(event);
        };

        window.addEventListener('keydown', this._onKeyDown, false);
        window.addEventListener('keyup', this._onKeyUp, false);
        window.addEventListener('keypress', this._onKeyPress, false);

    },

    /**
    * Stops the Keyboard event listeners from running (keydown, keyup and keypress). They are removed from the window.
    *
    * @method Phaser.Keyboard#stop
    */
    stop: function () {

        window.removeEventListener('keydown', this._onKeyDown);
        window.removeEventListener('keyup', this._onKeyUp);
        window.removeEventListener('keypress', this._onKeyPress);

        this._onKeyDown = null;
        this._onKeyUp = null;
        this._onKeyPress = null;

    },

    /**
    * Stops the Keyboard event listeners from running (keydown and keyup). They are removed from the window.
    * Also clears all key captures and currently created Key objects.
    *
    * @method Phaser.Keyboard#destroy
    */
    destroy: function () {

        this.stop();

        this.clearCaptures();

        this._keys.length = 0;
        this._i = 0;

    },

    /**
    * By default when a key is pressed Phaser will not stop the event from propagating up to the browser.
    * There are some keys this can be annoying for, like the arrow keys or space bar, which make the browser window scroll.
    *
    * The `addKeyCapture` method enables consuming keyboard event for specific keys so it doesn't bubble up to the the browser
    * and cause the default browser behavior.
    *
    * Pass in either a single keycode or an array/hash of keycodes.
    *
    * @method Phaser.Keyboard#addKeyCapture
    * @param {integer|integer[]|object} keycode - Either a single {@link Phaser.KeyCode keycode} or an array/hash of keycodes such as `[65, 67, 68]`.
    */
    addKeyCapture: function (keycode) {

        if (typeof keycode === 'object')
        {
            for (var key in keycode)
            {
                this._capture[keycode[key]] = true;
            }
        }
        else
        {
            this._capture[keycode] = true;
        }
    },

    /**
    * Removes an existing key capture.
    *
    * @method Phaser.Keyboard#removeKeyCapture
    * @param {integer} keycode - The {@link Phaser.KeyCode keycode} to remove capturing of.
    */
    removeKeyCapture: function (keycode) {

        delete this._capture[keycode];

    },

    /**
    * Clear all set key captures.
    *
    * @method Phaser.Keyboard#clearCaptures
    */
    clearCaptures: function () {

        this._capture = {};

    },

    /**
    * Updates all currently defined keys.
    *
    * @method Phaser.Keyboard#update
    */
    update: function () {

        this._i = this._keys.length;

        while (this._i--)
        {
            if (this._keys[this._i])
            {
                this._keys[this._i].update();
            }
        }

    },

    /**
    * Process the keydown event.
    *
    * @method Phaser.Keyboard#processKeyDown
    * @param {KeyboardEvent} event
    * @protected
    */
    processKeyDown: function (event) {

        this.event = event;

        if (!this.game.input.enabled || !this.enabled)
        {
            return;
        }

        var key = event.keyCode;

        //   The event is being captured but another hotkey may need it
        if (this._capture[key])
        {
            event.preventDefault();
        }

        if (!this._keys[key])
        {
            this._keys[key] = new Phaser.Key(this.game, key);
        }

        this._keys[key].processKeyDown(event);

        this._k = key;

        if (this.onDownCallback)
        {
            this.onDownCallback.call(this.callbackContext, event);
        }

    },

    /**
    * Process the keypress event.
    *
    * @method Phaser.Keyboard#processKeyPress
    * @param {KeyboardEvent} event
    * @protected
    */
    processKeyPress: function (event) {

        this.pressEvent = event;

        if (!this.game.input.enabled || !this.enabled)
        {
            return;
        }

        if (this.onPressCallback)
        {
            this.onPressCallback.call(this.callbackContext, String.fromCharCode(event.charCode), event);
        }

    },

    /**
    * Process the keyup event.
    *
    * @method Phaser.Keyboard#processKeyUp
    * @param {KeyboardEvent} event
    * @protected
    */
    processKeyUp: function (event) {

        this.event = event;

        if (!this.game.input.enabled || !this.enabled)
        {
            return;
        }

        var key = event.keyCode;

        if (this._capture[key])
        {
            event.preventDefault();
        }

        if (!this._keys[key])
        {
            this._keys[key] = new Phaser.Key(this.game, key);
        }

        this._keys[key].processKeyUp(event);

        if (this.onUpCallback)
        {
            this.onUpCallback.call(this.callbackContext, event);
        }

    },

    /**
    * Resets all Keys.
    *
    * @method Phaser.Keyboard#reset
    * @param {boolean} [hard=true] - A soft reset won't reset any events or callbacks that are bound to the Keys. A hard reset will.
    */
    reset: function (hard) {

        if (hard === undefined) { hard = true; }

        this.event = null;

        var i = this._keys.length;

        while (i--)
        {
            if (this._keys[i])
            {
                this._keys[i].reset(hard);
            }
        }

    },

    /**
    * Returns `true` if the Key was pressed down within the `duration` value given, or `false` if it either isn't down,
    * or was pressed down longer ago than then given duration.
    * 
    * @method Phaser.Keyboard#downDuration
    * @param {integer} keycode - The {@link Phaser.KeyCode keycode} of the key to check: i.e. Phaser.KeyCode.UP or Phaser.KeyCode.SPACEBAR.
    * @param {number} [duration=50] - The duration within which the key is considered as being just pressed. Given in ms.
    * @return {boolean} True if the key was pressed down within the given duration, false if not or null if the Key wasn't found.
    */
    downDuration: function (keycode, duration) {

        if (this._keys[keycode])
        {
            return this._keys[keycode].downDuration(duration);
        }
        else
        {
            return null;
        }

    },

    /**
    * Returns `true` if the Key was pressed down within the `duration` value given, or `false` if it either isn't down,
    * or was pressed down longer ago than then given duration.
    * 
    * @method Phaser.Keyboard#upDuration
    * @param {Phaser.KeyCode|integer} keycode - The keycode of the key to check, i.e. Phaser.KeyCode.UP or Phaser.KeyCode.SPACEBAR.
    * @param {number} [duration=50] - The duration within which the key is considered as being just released. Given in ms.
    * @return {boolean} True if the key was released within the given duration, false if not or null if the Key wasn't found.
    */
    upDuration: function (keycode, duration) {

        if (this._keys[keycode])
        {
            return this._keys[keycode].upDuration(duration);
        }
        else
        {
            return null;
        }

    },

    /**
    * Returns true of the key is currently pressed down. Note that it can only detect key presses on the web browser.
    *
    * @method Phaser.Keyboard#isDown
    * @param {integer} keycode - The {@link Phaser.KeyCode keycode} of the key to check: i.e. Phaser.KeyCode.UP or Phaser.KeyCode.SPACEBAR.
    * @return {boolean} True if the key is currently down, false if not or null if the Key wasn't found.
    */
    isDown: function (keycode) {

        if (this._keys[keycode])
        {
            return this._keys[keycode].isDown;
        }
        else
        {
            return null;
        }

    }

};

/**
* Returns the string value of the most recently pressed key.
* @name Phaser.Keyboard#lastChar
* @property {string} lastChar - The string value of the most recently pressed key.
* @readonly
*/
Object.defineProperty(Phaser.Keyboard.prototype, "lastChar", {

    get: function () {

        if (this.event.charCode === 32)
        {
            return '';
        }
        else
        {
            return String.fromCharCode(this.pressEvent.charCode);
        }

    }

});

/**
* Returns the most recently pressed Key. This is a Phaser.Key object and it changes every time a key is pressed.
* @name Phaser.Keyboard#lastKey
* @property {Phaser.Key} lastKey - The most recently pressed Key.
* @readonly
*/
Object.defineProperty(Phaser.Keyboard.prototype, "lastKey", {

    get: function () {

        return this._keys[this._k];

    }

});

Phaser.Keyboard.prototype.constructor = Phaser.Keyboard;

/**
* A key code represents a physical key on a keyboard.
*
* The KeyCode class contains commonly supported keyboard key codes which can be used
* as keycode`-parameters in several {@link Phaser.Keyboard} and {@link Phaser.Key} methods.
*
* _Note_: These values should only be used indirectly, eg. as `Phaser.KeyCode.KEY`.
* Future versions may replace the actual values, such that they remain compatible with `keycode`-parameters.
* The current implementation maps to the {@link https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/keyCode KeyboardEvent.keyCode} property.
*
* _Note_: Use `Phaser.KeyCode.KEY` instead of `Phaser.Keyboard.KEY` to refer to a key code;
* the latter approach is supported for compatibility.
*
* @class Phaser.KeyCode
*/
Phaser.KeyCode = {
    /** @static */
    A: "A".charCodeAt(0),
    /** @static */
    B: "B".charCodeAt(0),
    /** @static */
    C: "C".charCodeAt(0),
    /** @static */
    D: "D".charCodeAt(0),
    /** @static */
    E: "E".charCodeAt(0),
    /** @static */
    F: "F".charCodeAt(0),
    /** @static */
    G: "G".charCodeAt(0),
    /** @static */
    H: "H".charCodeAt(0),
    /** @static */
    I: "I".charCodeAt(0),
    /** @static */
    J: "J".charCodeAt(0),
    /** @static */
    K: "K".charCodeAt(0),
    /** @static */
    L: "L".charCodeAt(0),
    /** @static */
    M: "M".charCodeAt(0),
    /** @static */
    N: "N".charCodeAt(0),
    /** @static */
    O: "O".charCodeAt(0),
    /** @static */
    P: "P".charCodeAt(0),
    /** @static */
    Q: "Q".charCodeAt(0),
    /** @static */
    R: "R".charCodeAt(0),
    /** @static */
    S: "S".charCodeAt(0),
    /** @static */
    T: "T".charCodeAt(0),
    /** @static */
    U: "U".charCodeAt(0),
    /** @static */
    V: "V".charCodeAt(0),
    /** @static */
    W: "W".charCodeAt(0),
    /** @static */
    X: "X".charCodeAt(0),
    /** @static */
    Y: "Y".charCodeAt(0),
    /** @static */
    Z: "Z".charCodeAt(0),
    /** @static */
    ZERO: "0".charCodeAt(0),
    /** @static */
    ONE: "1".charCodeAt(0),
    /** @static */
    TWO: "2".charCodeAt(0),
    /** @static */
    THREE: "3".charCodeAt(0),
    /** @static */
    FOUR: "4".charCodeAt(0),
    /** @static */
    FIVE: "5".charCodeAt(0),
    /** @static */
    SIX: "6".charCodeAt(0),
    /** @static */
    SEVEN: "7".charCodeAt(0),
    /** @static */
    EIGHT: "8".charCodeAt(0),
    /** @static */
    NINE: "9".charCodeAt(0),
    /** @static */
    NUMPAD_0: 96,
    /** @static */
    NUMPAD_1: 97,
    /** @static */
    NUMPAD_2: 98,
    /** @static */
    NUMPAD_3: 99,
    /** @static */
    NUMPAD_4: 100,
    /** @static */
    NUMPAD_5: 101,
    /** @static */
    NUMPAD_6: 102,
    /** @static */
    NUMPAD_7: 103,
    /** @static */
    NUMPAD_8: 104,
    /** @static */
    NUMPAD_9: 105,
    /** @static */
    NUMPAD_MULTIPLY: 106,
    /** @static */
    NUMPAD_ADD: 107,
    /** @static */
    NUMPAD_ENTER: 108,
    /** @static */
    NUMPAD_SUBTRACT: 109,
    /** @static */
    NUMPAD_DECIMAL: 110,
    /** @static */
    NUMPAD_DIVIDE: 111,
    /** @static */
    F1: 112,
    /** @static */
    F2: 113,
    /** @static */
    F3: 114,
    /** @static */
    F4: 115,
    /** @static */
    F5: 116,
    /** @static */
    F6: 117,
    /** @static */
    F7: 118,
    /** @static */
    F8: 119,
    /** @static */
    F9: 120,
    /** @static */
    F10: 121,
    /** @static */
    F11: 122,
    /** @static */
    F12: 123,
    /** @static */
    F13: 124,
    /** @static */
    F14: 125,
    /** @static */
    F15: 126,
    /** @static */
    COLON: 186,
    /** @static */
    EQUALS: 187,
    /** @static */
    COMMA: 188,
    /** @static */
    UNDERSCORE: 189,
    /** @static */
    PERIOD: 190,
    /** @static */
    QUESTION_MARK: 191,
    /** @static */
    TILDE: 192,
    /** @static */
    OPEN_BRACKET: 219,
    /** @static */
    BACKWARD_SLASH: 220,
    /** @static */
    CLOSED_BRACKET: 221,
    /** @static */
    QUOTES: 222,
    /** @static */
    BACKSPACE: 8,
    /** @static */
    TAB: 9,
    /** @static */
    CLEAR: 12,
    /** @static */
    ENTER: 13,
    /** @static */
    SHIFT: 16,
    /** @static */
    CONTROL: 17,
    /** @static */
    ALT: 18,
    /** @static */
    CAPS_LOCK: 20,
    /** @static */
    ESC: 27,
    /** @static */
    SPACEBAR: 32,
    /** @static */
    PAGE_UP: 33,
    /** @static */
    PAGE_DOWN: 34,
    /** @static */
    END: 35,
    /** @static */
    HOME: 36,
    /** @static */
    LEFT: 37,
    /** @static */
    UP: 38,
    /** @static */
    RIGHT: 39,
    /** @static */
    DOWN: 40,
    /** @static */
    PLUS: 43,
    /** @static */
    MINUS: 44,
    /** @static */
    INSERT: 45,
    /** @static */
    DELETE: 46,
    /** @static */
    HELP: 47,
    /** @static */
    NUM_LOCK: 144
};

// Duplicate Phaser.KeyCode values in Phaser.Keyboard for compatibility
for (var key in Phaser.KeyCode)
{
    if (Phaser.KeyCode.hasOwnProperty(key) &amp;&amp; !key.match(/[a-z]/))
    {
        Phaser.Keyboard[key] = Phaser.KeyCode[key];
    }
}
</pre>
        </article>
    </section>





				</div>

				<div class="clearfix"></div>
				<footer>
					
					
		<span class="copyright">
		Phaser Copyright © 2012-2016 Photon Storm Ltd.
		</span>
					<br />
					
		<span class="jsdoc-message">
		Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.4.0</a>
		on Fri Aug 26 2016 01:16:09 GMT+0100 (BST) using the <a href="https://github.com/terryweiss/docstrap">DocStrap template</a>.
		</span>
				</footer>
			</div>

			
			<br clear="both">
		</div>

	</div>
	<script src="scripts/sunlight.js"></script>
	<script src="scripts/sunlight.javascript.js"></script>
	<script src="scripts/sunlight-plugin.doclinks.js"></script>
	<script src="scripts/sunlight-plugin.linenumbers.js"></script>
	<script src="scripts/sunlight-plugin.menu.js"></script>
	<script src="scripts/jquery.min.js"></script>
	<script src="scripts/jquery.scrollTo.js"></script>
	<script src="scripts/jquery.localScroll.js"></script>
	<script src="scripts/bootstrap-dropdown.js"></script>
	<script src="scripts/toc.js"></script>

	<script>  Sunlight.highlightAll({lineNumbers:true,  showMenu: true, enableDoclinks :true}); </script>

	<script>
		$( function () {
			$( "#toc" ).toc( {
				anchorName  : function(i, heading, prefix) {
					return $(heading).attr("id") || ( prefix + i );
				},
				selectors   : "h1,h2,h3,h4",
				showAndHide : false,
				scrollTo    : 60
			} );
			$( "#toc>ul" ).addClass( "nav nav-pills nav-stacked" );
			$( "#main span[id^='toc']" ).addClass( "toc-shim" );

		} );
	</script>

	

</body>
</html>