Update JS

Script.js

@@ -0,0 +1,18 @@
+"use strict";
+
+var canvasWidth = 1280;
+var canvasHeight = 650;
+var c = undefined
+var ctx = undefined
+
+window.onload = function () {
+    init()
+}
+
+function init() {
+    c = document.getElementById("canvas");
+    ctx = c.getContext('2d');
+    document.addEventListener('keydown', keyDownPressed, false);
+    document.addEventListener('keyup', keyUpPressed, false);
+    gameloop();
+}