uTools-Manuals/docs/jQuery/callbacks.disable.html

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<h1 class="entry-title">callbacks.disable()</h1>
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						所属分类：<span class="category"><a href="/category/callbacks-object/">回调对象</a></span>
<span class="pull-right">英文文档：<a href="https://api.jquery123.com/callbacks.disable/" target="_blank">callbacks.disable()</a></span>
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<span class="name">callbacks.disable()</span><span class="returns">返回: <a href="/Types/#Callbacks">Callbacks</a></span>
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<p class="desc"><strong>描述: </strong>禁用回调列表中的回调</p>
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<span class="version-details">添加的版本: <a href="/category/version/1.7/">1.7</a></span>callbacks.disable()</h4>
<ul><li><div class="null-signature">这个方法不接受任何参数</div></li></ul>
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<p>此方法返回绑定它的那个回调对象(<code>this</code>).</p>
<h2 id="example-1">Example</h2>
<p>使用 <code>callbacks.disable()</code> 禁止回调列表中的回调进一步的调用:</p>
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<pre><div class="container"><div class="line"><code><span class="comment">// a sample logging function to be added to a callbacks list</span></code></div></div><div class="container"><div class="line"><code><span class="keyword">var</span> foo = <span class="keyword">function</span>( value ) {</code></div></div><div class="container"><div class="line"><code>  console.log( value );</code></div></div><div class="container"><div class="line"><code>};</code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="keyword">var</span> callbacks = $.Callbacks();</code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="comment">// add the above function to the list</span></code></div></div><div class="container"><div class="line"><code>callbacks.add( foo );</code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="comment">// fire the items on the list</span></code></div></div><div class="container"><div class="line"><code>callbacks.fire( <span class="string">"foo"</span> );</code></div></div><div class="container"><div class="line"><code><span class="comment">// outputs: foo</span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="comment">// disable further calls being possible</span></code></div></div><div class="container"><div class="line"><code>callbacks.disable();</code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="comment">// attempt to fire with "foobar" as an argument</span></code></div></div><div class="container"><div class="line"><code>callbacks.fire( <span class="string">"foobar"</span> );</code></div></div><div class="container"><div class="line"><code><span class="comment">// foobar isn't output</span></code></div></div></pre>
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