uTools-Manuals/docs/jQuery/callbacks.fireWith.html
2019-04-21 11:50:48 +08:00

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<h1 class="entry-title">callbacks.fireWith()</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.fireWith/" target="_blank">callbacks.fireWith()</a></span>
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<span class="name">callbacks.fireWith( [context ] [, args ] )</span><span class="returns">返回: <a href="/Types/#Callbacks">Callbacks</a></span>
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<p class="desc"><strong>描述: </strong>访问给定的上下文和参数列表中的所有回调。</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.fireWith( [context ] [, args ] )</h4>
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<div><strong>context</strong></div>
<div>Type: </div>
<div>该列表中的回调被触发的上下文引用</div>
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<div><strong>args</strong></div>
<div>Type: </div>
<div>一个参数或参数列表传回给回调列表。</div>
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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.fireWith()</code> 访问给定的上下文和参数列表中的所有回调:</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> log = <span class="keyword">function</span>( value1, value2 ) {</code></div></div><div class="container"><div class="line"><code> console.log( <span class="string">"Received: "</span> + value1 + <span class="string">","</span> + value2 );</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 log method to the callbacks list</span></code></div></div><div class="container"><div class="line"><code>callbacks.add( log );</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 callbacks on the list using the context "window"</span></code></div></div><div class="container"><div class="line"><code><span class="comment">// and an arguments array</span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code>callbacks.fireWith( window, [<span class="string">"foo"</span>,<span class="string">"bar"</span>]);</code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="comment">// outputs: "Received: foo, bar"</span></code></div></div></pre>
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