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71 lines
7.3 KiB
HTML
71 lines
7.3 KiB
HTML
<article class="" id="post-">
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<header class="entry-header">
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<h1 class="entry-title">event.data</h1>
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<div class="entry-meta">
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所属分类：<span class="category"><a href="/category/events/">事件</a> > <a href="/category/events/event-object/">事件对象</a></span>
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<span class="pull-right">英文文档：<a href="https://api.jquery123.com/event.data/" target="_blank">event.data</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 property" id="event-data1"><h2 class="section-title">
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<span>event.data</span><span class="returns">返回: <a href="/Types/#Object">Object</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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当当前正在执行的处理程序绑定时，一个可选的数据对象传递给一个事件方法。</p>
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<ul class="signatures"><li class="signature"><h4 class="name">
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<span class="version-details">添加的版本: <a href="/category/version/1.1/">1.1</a></span>event.data</h4></li></ul>
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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">在一个 for 循环里，将迭代变量 i 的值传递给 .on() 方法，保留当前迭代的值。</span></h4>
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<td class="code">
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<pre><div class="container"><div class="line"><code><span class="doctype"><!DOCTYPE html></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">html</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">head</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">script</span> <span class="attribute">src</span>=<span class="value">"https://code.jquery.com/jquery-latest.js"</span>></span><span class="javascript"></span><span class="tag"></<span class="title">script</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">head</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">body</span>></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">button</span>></span> 0 <span class="tag"></<span class="title">button</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">button</span>></span> 1 <span class="tag"></<span class="title">button</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">button</span>></span> 2 <span class="tag"></<span class="title">button</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">button</span>></span> 3 <span class="tag"></<span class="title">button</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">button</span>></span> 4 <span class="tag"></<span class="title">button</span>></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">div</span> <span class="attribute">id</span>=<span class="value">"log"</span>></span><span class="tag"></<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">script</span>></span><span class="javascript"></span></code></div></div><div class="container"><div class="line"><code><span class="keyword">var</span> logDiv = $(<span class="string">"#log"</span>);</code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="comment">/* Note: This code is for demonstration purposes only. */</span></code></div></div><div class="container"><div class="line"><code><span class="keyword">for</span> (<span class="keyword">var</span> i = <span class="number">0</span>; i < <span class="number">5</span>; i++) {</code></div></div><div class="container"><div class="line"><code> $(<span class="string">"button"</span>).eq(i).on(<span class="string">"click"</span>, {value: i}, <span class="keyword">function</span>(event) {</code></div></div><div class="container"><div class="line"><code> <span class="keyword">var</span> msgs = [</code></div></div><div class="container"><div class="line"><code> <span class="string">"button = "</span> + $(<span class="keyword">this</span>).index(),</code></div></div><div class="container"><div class="line"><code> <span class="string">"event.data.value = "</span> + event.data.value,</code></div></div><div class="container"><div class="line"><code> <span class="string">"i = "</span> + i</code></div></div><div class="container"><div class="line"><code> ];</code></div></div><div class="container"><div class="line"><code> logDiv.append( msgs.join(<span class="string">", "</span>) + <span class="string">"<br>"</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="tag"></<span class="title">script</span>></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">body</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">html</span>></span></code></div></div></pre>
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</tbody>
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</table>
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</div>
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<h4>Demo:</h4>
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<div class="demo code-demo"></div>
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</div></section>
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</div></article> </div>
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</article> |