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72 lines
5.4 KiB
HTML
72 lines
5.4 KiB
HTML
<article class="" id="post-">
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<header class="entry-header">
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<h1 class="entry-title">callbacks.fire()</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.fire/" target="_blank">callbacks.fire()</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-fire1"><h2 class="section-title">
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<span class="name">callbacks.fire( arguments )</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>传入指定的参数调用所有的回调</p>
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<ul class="signatures"><li class="signature" id="callbacks-fire-arguments">
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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.fire( arguments )</h4>
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<ul><li>
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<div><strong>arguments</strong></div>
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<div>类型: <a href="/Types/#Anything">Anything</a>
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</div>
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<div>这个参数或参数列表传回给回调列表。</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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<h2 id="example-1">Example</h2>
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<p>使用 <code>callbacks.fire()</code> 用任何已传递的参数调用列表中的回调:</p>
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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> ); <span class="comment">// outputs: "foo: hello"</span></code></div></div><div class="container"><div class="line"><code>callbacks.fire( <span class="string">"world"</span> ); <span class="comment">// outputs: "foo: 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">// add another function to the list</span></code></div></div><div class="container"><div class="line"><code><span class="keyword">var</span> bar = <span class="keyword">function</span>( value ){</code></div></div><div class="container"><div class="line"><code> console.log( <span class="string">"bar:"</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="comment">// add this function to the list</span></code></div></div><div class="container"><div class="line"><code>callbacks.add( bar );</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">"hello again"</span> );</code></div></div><div class="container"><div class="line"><code><span class="comment">// outputs:</span></code></div></div><div class="container"><div class="line"><code><span class="comment">// "foo: hello again"</span></code></div></div><div class="container"><div class="line"><code><span class="comment">// "bar: hello again"</span></code></div></div></pre>
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