JSFiddle - React, Tailwind, and code Playground

by koba04

HTML

<script src="http://fb.me/react-with-addons-0.12.0.js"></script>
<script src="http://fb.me/JSXTransformer-0.12.0.js"></script>
<script src="http://fb.me/react-js-fiddle-integration.js"></script>

JavaScript 1.7

var update = React.addons.update;

var obj = {
  list: [1,2,3],
};

var obj2 = update(obj, {
  list: {
    $push: [4]
  }
});

console.log(obj2.list);     // ['a','b','c','d']
console.log(obj === obj2);  // false