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67 lines
4.6 KiB
HTML
67 lines
4.6 KiB
HTML
<article class="" id="post-">
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<header class="entry-header">
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<h1 class="entry-title">callbacks.remove()</h1>
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<div class="entry-meta">
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所属分类：<span class="category"><a href="/category/callbacks-object/">回调对象</a></span>
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<span class="pull-right">英文文档：<a href="https://api.jquery123.com/callbacks.remove/" target="_blank">callbacks.remove()</a></span>
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</div><!-- .entry-meta -->
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</header><!-- .entry-header -->
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<div class="entry-content">
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<article class="entry method" id="callbacks-remove1"><h2 class="section-title">
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<span class="name">callbacks.remove( callbacks )</span><span class="returns">返回: <a href="/Types/#Callbacks">Callbacks</a></span>
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</h2>
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<div class="entry-wrapper">
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<p class="desc"><strong>描述: </strong>从回调列表中的删除一个回调或回调集合。</p>
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<ul class="signatures"><li class="signature" id="callbacks-remove-callbacks">
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<h4 class="name">
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<span class="version-details">添加的版本: <a href="/category/version/1.7/">1.7</a></span>callbacks.remove( callbacks )</h4>
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<ul><li>
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<div><strong>callbacks</strong></div>
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<div>类型: <a href="/Types/#Function,%20Array">Function, Array</a>
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</div>
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<div>从回调列表中删除的一个函数，或者函数数组。</div>
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</li></ul>
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</li></ul>
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<div class="longdesc" id="entry-longdesc">
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<p>此方法返回绑定它的那个回调对象 (<code>this</code>). </p>
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</div>
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<section class="entry-examples" id="entry-examples"><header><h2 class="underline">例子:</h2></header><div class="entry-example" id="example-0">
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<h4><span class="desc">使用 <code>callbacks.remove()</code> 从回调列表中的删除回调:</span></h4>
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<div class="syntaxhighlighter javascript ">
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<td class="code">
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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( <span class="string">"foo: "</span> + 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 function "foo" 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">"hello"</span> );</code></div></div><div class="container"><div class="line"><code><span class="comment">// outputs: "foo: hello"</span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="comment">// remove "foo" from the callback list</span></code></div></div><div class="container"><div class="line"><code>callbacks.remove( 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 again</span></code></div></div><div class="container"><div class="line"><code>callbacks.fire( <span class="string">"world"</span> );</code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="comment">// nothing output as "foo" is no longer in the list</span></code></div></div></pre>
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