Initial data commit

Task/Associative-array-Iteration/JavaScript/associative-array-iteration.js

@@ -0,0 +1,18 @@
+var myhash = {}; //a new, empty object
+myhash["hello"] = 3;
+myhash.world = 6; //obj.name is equivalent to obj["name"] for certain values of name
+myhash["!"] = 9;
+
+//iterate using for..in loop
+for (var key in myhash) {
+  //ensure key is in object and not in prototype
+  if (myhash.hasOwnProperty(key)) {
+    console.log("Key is: " + key + '. Value is: ' + myhash[key]);
+  }
+}
+
+//iterate using ES5.1 Object.keys() and Array.prototype.Map()
+var keys = Object.keys(); //get Array of object keys (doesn't get prototype keys)
+keys.map(function (key) {
+  console.log("Key is: " + key + '. Value is: ' + myhash[key]);
+});