Add two challenge solutions that were pretty hard for me

2-javascript-algorithms-datastructures/0-somechallenges/bobrossthingy.js

@@ -0,0 +1,41 @@
+const Person = function(firstAndLast) {
+    // Only change code below this line
+    // Complete the method below and implement the others similarly
+    const props = {
+        _firstName: firstAndLast.split(" ").splice(0, 1).join(),
+        _lastName: firstAndLast.replace(/(\w+\s)(\w+$)/, "$2"),
+        _fullName: firstAndLast,
+    };
+
+    const getFullName = () => props._fullName;
+    const getFirstName = () => props._firstName;
+    const getLastName = () => props._lastName;
+    const setFullName = (full) => props._fullName = full;
+    const setFirstName = (first) => props._firstName = first;
+    const setLastName = (last) => props._lastName = last;
+
+    this.getFullName = function() {
+        return getFullName();
+    };
+    this.getFirstName = function() {
+        return getFirstName();
+    }
+    this.getLastName = function() {
+        return getLastName();
+    }
+    this.setFullName = function(firstAndLast) {
+        setFullName(firstAndLast);
+        setFirstName(firstAndLast.split(" ").splice(0, 1).join());
+        setLastName(firstAndLast.replace(/(\w+\s)(\w+$)/, "$2"));
+    };
+    this.setFirstName = function(first){
+        setFirstName((first));
+        setFullName(first + " " + getLastName())
+    };
+    this.setLastName = function(last){
+        setLastName(last);
+        setFullName(getFirstName() + " " + last)
+    }
+};
+
+const bob = new Person('Bob Ross');

2-javascript-algorithms-datastructures/0-somechallenges/orbitalPeriod.js

@@ -0,0 +1,15 @@
+function orbitalPeriod(arr) {
+    const GM = 398600.4418;
+    const earthRadius = 6367.4447;
+    let orbitalPeriod = 0;
+    const response = [];
+    for (let elem in arr){
+        let avgAlt = arr[elem]['avgAlt'];
+        let name = arr[elem]['name'];
+
+        response.push({name: name, orbitalPeriod: orbitalPeriod})
+    }
+    return response;
+}
+
+orbitalPeriod([{name : "sputnik", avgAlt : 35873.5553}]);