uTools-Manuals/docs/jQuery/event.isPropagationStopped.html

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<h1 class="entry-title">event.isPropagationStopped()</h1>
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						所属分类：<span class="category"><a href="/category/events/">事件</a> &gt; <a href="/category/events/event-object/">事件对象</a></span>
<span class="pull-right">英文文档：<a href="https://api.jquery123.com/event.isPropagationStopped/" target="_blank">event.isPropagationStopped()</a></span>
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<span class="name">event.isPropagationStopped()</span><span class="returns">返回: <a href="/Types/#Boolean">Boolean</a></span>
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<p class="desc"><strong>描述: </strong> 根据事件对象中是否调用过 <a href="/event.stopPropagation">event.stopPropagation()</a> 方法,来返回一个布尔值。  </p>
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<span class="version-details">添加的版本: <a href="/category/version/1.3/">1.3</a></span>event.isPropagationStopped()</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>这属性介绍，查看 <a href="http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/events.html#Events-Event-isPropagationStopped">W3C DOM Level 3 specification</a>.</p>
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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">
<h4><span class="desc">检测 event.stopPropagation() 是否被调用过。</span></h4>
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<pre><div class="container"><div class="line"><code><span class="doctype">&lt;!DOCTYPE html&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">html</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">head</span>&gt;</span></code></div></div><div class="container"><div class="line"><code>  <span class="tag">&lt;<span class="title">script</span> <span class="attribute">src</span>=<span class="value">"https://code.jquery.com/jquery-latest.js"</span>&gt;</span><span class="javascript"></span><span class="tag">&lt;/<span class="title">script</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;/<span class="title">head</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">body</span>&gt;</span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code>  <span class="tag">&lt;<span class="title">button</span>&gt;</span>click me<span class="tag">&lt;/<span class="title">button</span>&gt;</span></code></div></div><div class="container"><div class="line"><code>  <span class="tag">&lt;<span class="title">div</span> <span class="attribute">id</span>=<span class="value">"stop-log"</span>&gt;</span><span class="tag">&lt;/<span class="title">div</span>&gt;</span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;<span class="title">script</span>&gt;</span><span class="javascript"></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="function"><span class="keyword">function</span> <span class="title">propStopped</span><span class="params">(e)</span> {</span></code></div></div><div class="container"><div class="line"><code>  <span class="keyword">var</span> msg = <span class="string">""</span>;</code></div></div><div class="container"><div class="line"><code>  <span class="keyword">if</span> ( e.isPropagationStopped() ) {</code></div></div><div class="container"><div class="line"><code>    msg =  <span class="string">"called"</span></code></div></div><div class="container"><div class="line"><code>  } <span class="keyword">else</span> {</code></div></div><div class="container"><div class="line"><code>    msg = <span class="string">"not called"</span>;</code></div></div><div class="container"><div class="line"><code>  }</code></div></div><div class="container"><div class="line"><code>  $(<span class="string">"#stop-log"</span>).append( <span class="string">"&lt;div&gt;"</span> + msg + <span class="string">"&lt;/div&gt;"</span> );</code></div></div><div class="container"><div class="line"><code>}</code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code>$(<span class="string">"button"</span>).click(<span class="keyword">function</span>(event) {</code></div></div><div class="container"><div class="line"><code>  propStopped(event);</code></div></div><div class="container"><div class="line"><code>  event.stopPropagation();</code></div></div><div class="container"><div class="line"><code>  propStopped(event);</code></div></div><div class="container"><div class="line"><code>});</code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;/<span class="title">script</span>&gt;</span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;/<span class="title">body</span>&gt;</span></code></div></div><div class="container"><div class="line"><code><span class="tag">&lt;/<span class="title">html</span>&gt;</span></code></div></div></pre>
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<h4>Demo:</h4>
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