Initial data commit

Task/Set/JavaScript/set.js

@@ -0,0 +1,24 @@
+var set = new Set();
+
+set.add(0);
+set.add(1);
+set.add('two');
+set.add('three');
+
+set.has(0); //=> true
+set.has(3); //=> false
+set.has('two'); // true
+set.has(Math.sqrt(4)); //=> false
+set.has('TWO'.toLowerCase()); //=> true
+
+set.size; //=> 4
+
+set.delete('two');
+set.has('two'); //==> false
+set.size; //=> 3
+
+//iterating set using ES6 for..of
+//Set order is preserved in order items are added.
+for (var item of set) {
+  console.log('item is ' + item);
+}