callback function of this menu button in javascript
<p>It's defined here</p>

<pre><code>var CMenu = cc.Sprite.extend({

onClickCallback: null,

onClick: function (callback) {
    this.onClickCallback = callback;
},
handleTouches: function (touch, evt) {
    (this.hovered &amp;&amp; this.onClickCallback) &amp;&amp; this.onClickCallback();});
</code></pre>

<p>It's being called here</p>

<pre><code>backMenu.onClick(function () {
    window.location.href = "http://www.test.com";
});
</code></pre>

<p>is <code>this.onClickCallback = this.onClickCallback()</code>?</p>
