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59 lines
3.6 KiB
HTML
59 lines
3.6 KiB
HTML
<article class="" id="post-">
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<header class="entry-header">
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<h1 class="entry-title">deferred.always()</h1>
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<div class="entry-meta">
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所属分类：<span class="category"><a href="/category/deferred-object/">延迟对象</a></span>
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<span class="pull-right">英文文档：<a href="https://api.jquery123.com/deferred.always/" target="_blank">deferred.always()</a></span>
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</div><!-- .entry-meta -->
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</header><!-- .entry-header -->
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<!-- .entry-header -->
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<div class="entry-content">
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<article class="entry method" id="deferred-always1"><h2 class="section-title">
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<span class="name">deferred.always( alwaysCallbacks [, alwaysCallbacks ] )</span><span class="returns">返回: <a href="/Types/#Deferred">Deferred</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>
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当Deferred（延迟）对象解决或拒绝时，调用添加处理程序。 </p>
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<ul class="signatures"><li class="signature" id="deferred-always-alwaysCallbacks-alwaysCallbacks">
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<h4 class="name">
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<span class="version-details">添加的版本: <a href="/category/version/1.6/">1.6</a></span>deferred.always( alwaysCallbacks [, alwaysCallbacks ] )</h4>
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<ul>
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<li>
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<div><strong>alwaysCallbacks</strong></div>
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<div>类型: <a href="/Types/#Function">Function</a>()</div>
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<div>一个函数，或者函数数组，当Deferred（延迟）对象得到解决或拒绝时被调用。</div>
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</li>
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<li>
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<div><strong>alwaysCallbacks</strong></div>
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<div>类型: <a href="/Types/#Function">Function</a>()</div>
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<div>可选的一个函数，或者函数数组，当Deferred（延迟）对象得到解决或拒绝时被调用。
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</div>
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</li>
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</ul>
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</li></ul>
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<div class="longdesc" id="entry-longdesc">
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<p>参数可以是一个函数或一个函数的数组。当Deferred（延迟）得到解决或者拒绝时，<code> alwaysCallbacks </code>始终都会被执行。由于的<code> deferred.always()</code>返回Deferred（延迟）对象，所以可以链接其它的Deferred（延迟）对象，包括额外的<code>.always()</code>的方法。当Deferred（延迟）得到解决或者拒绝，回调将按他们顺序被执行，并且可以使用传递给如下方法的参数：<code><a href="/deferred.resolve/">resolve</a></code> ， <a href="/deferred.reject/"><code>reject</code></a> ， <a href="/deferred.resolveWith/"><code>resolveWith</code></a>或<a href="/deferred.rejectWith/"><code>rejectWith</code></a>。有关详细信息，请参阅文件<a href="/category/deferred-object/">Deferred（延迟） 对象</a> 。
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</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">jQuery.get（）方法返回一个来自一个Deferred（延迟）对象的jqXHR对象，我们可以附加一个成功和错误使用deferred.always（）方法的回调。</span></h4>
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<div class="syntaxhighlighter javascript ">
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<table>
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<div class="line n1">1</div>
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<div class="line n2">2</div>
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<div class="line n3">3</div>
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</td>
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<td class="code">
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<pre><div class="container"><div class="line"><code>$.get(<span class="string">"test.php"</span>).always( <span class="keyword">function</span>() {</code></div></div><div class="container"><div class="line"><code> alert(<span class="string">"$.get completed with success or error callback arguments"</span>);</code></div></div><div class="container"><div class="line"><code>} );</code></div></div></pre>
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</div>
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</div></section>
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</div></article> </div>
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