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188 lines
18 KiB
HTML
188 lines
18 KiB
HTML
<article class="" id="post-">
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<header class="entry-header">
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<h1 class="entry-title">.mouseout()</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/mouse-events/">鼠标事件</a></span>
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<span class="pull-right">英文文档:<a href="https://api.jquery123.com/mouseout/" target="_blank">.mouseout()</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="mouseout1"><h2 class="section-title">
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<span class="name">.mouseout( handler(eventObject) )</span><span class="returns">返回: <a href="/Types/#jQuery">jQuery</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>为 JavaScript 的 "mouseout" 事件绑定一个处理函数,或者触发元素上的该事件。(注:支持事件冒泡)</p>
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<ul class="signatures">
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<li class="signature" id="mouseout-handlereventObject">
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<h4 class="name">
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<span class="version-details">添加的版本: <a href="/category/version/1.0/">1.0</a></span>.mouseout( handler(eventObject) )</h4>
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<ul><li>
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<div><strong>handler(eventObject)</strong></div>
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<div>类型: <a href="/Types/#Function">Function</a>()</div>
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<div>每次事件触发时会执行的函数。</div>
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</li></ul>
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</li>
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<li class="signature" id="mouseout-eventData-handlereventObject">
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<h4 class="name">
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<span class="version-details">添加的版本: <a href="/category/version/1.4.3/">1.4.3</a></span>.mouseout( [eventData ], handler(eventObject) )</h4>
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<ul>
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<li>
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<div><strong>eventData</strong></div>
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<div>类型: <a href="/Types/#PlainObject">PlainObject</a>
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</div>
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<div>一个对象,它包含的数据键值对映射将被传递给事件处理程序。</div>
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</li>
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<li>
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<div><strong>handler(eventObject)</strong></div>
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<div>类型: <a href="/Types/#Function">Function</a>()</div>
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<div>每次事件触发时会执行的函数。</div>
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</li>
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</ul>
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</li>
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<li class="signature" id="mouseout">
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<h4 class="name">
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<span class="version-details">添加的版本: <a href="/category/version/1.0/">1.0</a></span>.mouseout()</h4>
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<ul><li><div class="null-signature">这个方法不接受任何参数。</div></li></ul>
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</li>
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</ul>
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<div class="longdesc" id="entry-longdesc">
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<p>这个方法的前两个用法是 <code>.bind('mouseout', handler)</code> 的快捷方式,第3个不带参数的用法是 <code>.trigger('mouseout')</code> 的快捷方式。</p>
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<p>当鼠标指针离开元素时,<code>mouseout</code>事件就会被触发,任何HTML元素都可以接受此事件。</p>
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<p>举例来说,请看下面的HTML:</p>
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<td class="code">
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<pre><div class="container"><div class="line"><code><span class="tag"><<span class="title">div</span> <span class="attribute">id</span>=<span class="value">"outer"</span>></span></code></div></div><div class="container"><div class="line"><code> Outer</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">"inner"</span>></span></code></div></div><div class="container"><div class="line"><code> Inner</code></div></div><div class="container"><div class="line"><code> <span class="tag"></<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">div</span>></span></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">"other"</span>></span></code></div></div><div class="container"><div class="line"><code> Trigger the handler</code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">div</span>></span></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></pre>
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</table>
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</div>
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<p class="image">
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<img alt="" src="/resources/0042_05_07.png"/>
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</p>
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<p>这个事件可以绑定到任何元素:</p>
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<div class="syntaxhighlighter javascript nogutter">
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<td class="code">
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<pre><div class="container"><div class="line"><code>$(<span class="string">'#outer'</span>).mouseout(<span class="keyword">function</span>() {</code></div></div><div class="container"><div class="line"><code> $(<span class="string">'#log'</span>).append(<span class="string">'Handler for .mouseout() called.'</span>);</code></div></div><div class="container"><div class="line"><code>});</code></div></div></pre>
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</td>
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</table>
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</div>
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<p>现在当指针在<span class="output">Outer</span> <code><div></code>元素上移出时,“Handler for .mousedown() called.”这个字符串将被添加到<code><div id="log"></code>。我们可以调用不带参数的 <code>.mouseout() </code>方法,手动触发这个事件:</p>
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<div class="syntaxhighlighter javascript nogutter">
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<table>
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<tbody>
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<td class="code">
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<pre><div class="container"><div class="line"><code>$(<span class="string">'#other'</span>).click(<span class="keyword">function</span>() {</code></div></div><div class="container"><div class="line"><code> $(<span class="string">'#outer'</span>).mouseout();</code></div></div><div class="container"><div class="line"><code>});</code></div></div></pre>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<p>这些代码执行后,点击<span class="output">Trigger the handler</span> 同样添加这个信息。</p>
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<p>由于此事件类型冒泡,可能导致引起的很多头痛的问题。例如,在这个例子中当鼠标指针移出<span class="output">Inner</span>元素,<code>mouseout</code>事件将被发送到<span class="output">Inner</span>元素,然后冒泡到<span class="output">Outer</span>元素 。这可能会不合时宜的触发绑定的<code>mouseout</code>处理函数。这可以用一个替代方法,见讨论<code>. <a href="/mouseleave">mouseleave</a> ()</code>。</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">当触发 mouseout 和 mouseleave 事件时,显示鼠标移出对象的次数。当鼠标移出绑定 mouseout 事件元素的子元素时,mouseout 事件同样会被触发。但是,只有在绑定 mouseleave 事件的元素上,将鼠标移出时,才会触发该事件。</span></h4>
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</td>
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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">style</span>></span><span class="css"></span></code></div></div><div class="container"><div class="line"><code><span class="tag">div</span><span class="class">.out</span> <span class="rules">{</span></code></div></div><div class="container"><div class="line"><code><span class="rule"><span class="attribute">width</span>:<span class="value"><span class="number">40</span>%;</span></span></code></div></div><div class="container"><div class="line"><code><span class="rule"><span class="attribute">height</span>:<span class="value"><span class="number">120</span>px;</span></span></code></div></div><div class="container"><div class="line"><code><span class="rule"><span class="attribute">margin</span>:<span class="value"><span class="number">0</span> <span class="number">15</span>px;</span></span></code></div></div><div class="container"><div class="line"><code><span class="rule"><span class="attribute">background-color</span>:<span class="value"><span class="hexcolor">#D6EDFC</span>;</span></span></code></div></div><div class="container"><div class="line"><code><span class="rule"><span class="attribute">float</span>:<span class="value">left;</span></span></code></div></div><div class="container"><div class="line"><code><span class="rule">}</span></code></div></div><div class="container"><div class="line"><code><span class="tag">div</span><span class="class">.in</span> <span class="rules">{</span></code></div></div><div class="container"><div class="line"><code><span class="rule"><span class="attribute">width</span>:<span class="value"><span class="number">60</span>%;</span></span></code></div></div><div class="container"><div class="line"><code><span class="rule"><span class="attribute">height</span>:<span class="value"><span class="number">60</span>%;</span></span></code></div></div><div class="container"><div class="line"><code><span class="rule"><span class="attribute">background-color</span>:<span class="value"><span class="hexcolor">#FFCC00</span>;</span></span></code></div></div><div class="container"><div class="line"><code><span class="rule"><span class="attribute">margin</span>:<span class="value"><span class="number">10</span>px auto;</span></span></code></div></div><div class="container"><div class="line"><code><span class="rule">}</span></code></div></div><div class="container"><div class="line"><code><span class="tag">p</span> <span class="rules">{</span></code></div></div><div class="container"><div class="line"><code><span class="rule"><span class="attribute">line-height</span>:<span class="value"><span class="number">1</span>em;</span></span></code></div></div><div class="container"><div class="line"><code><span class="rule"><span class="attribute">margin</span>:<span class="value"><span class="number">0</span>;</span></span></code></div></div><div class="container"><div class="line"><code><span class="rule"><span class="attribute">padding</span>:<span class="value"><span class="number">0</span>;</span></span></code></div></div><div class="container"><div class="line"><code><span class="rule">}</span></code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">style</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">div</span> <span class="attribute">class</span>=<span class="value">"out overout"</span>></span><span class="tag"><<span class="title">p</span>></span>move your mouse<span class="tag"></<span class="title">p</span>></span><span class="tag"><<span class="title">div</span> <span class="attribute">class</span>=<span class="value">"in overout"</span>></span><span class="tag"><<span class="title">p</span>></span>move your mouse<span class="tag"></<span class="title">p</span>></span><span class="tag"><<span class="title">p</span>></span>0<span class="tag"></<span class="title">p</span>></span><span class="tag"></<span class="title">div</span>></span><span class="tag"><<span class="title">p</span>></span>0<span class="tag"></<span class="title">p</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">div</span> <span class="attribute">class</span>=<span class="value">"out enterleave"</span>></span><span class="tag"><<span class="title">p</span>></span>move your mouse<span class="tag"></<span class="title">p</span>></span><span class="tag"><<span class="title">div</span> <span class="attribute">class</span>=<span class="value">"in enterleave"</span>></span><span class="tag"><<span class="title">p</span>></span>move your mouse<span class="tag"></<span class="title">p</span>></span><span class="tag"><<span class="title">p</span>></span>0<span class="tag"></<span class="title">p</span>></span><span class="tag"></<span class="title">div</span>></span><span class="tag"><<span class="title">p</span>></span>0<span class="tag"></<span class="title">p</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> </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> i = <span class="number">0</span>;</code></div></div><div class="container"><div class="line"><code>$(<span class="string">"div.overout"</span>).mouseout(<span class="keyword">function</span>(){</code></div></div><div class="container"><div class="line"><code> $(<span class="string">"p:first"</span>,<span class="keyword">this</span>).text(<span class="string">"mouse out"</span>);</code></div></div><div class="container"><div class="line"><code> $(<span class="string">"p:last"</span>,<span class="keyword">this</span>).text(++i);</code></div></div><div class="container"><div class="line"><code>}).mouseover(<span class="keyword">function</span>(){</code></div></div><div class="container"><div class="line"><code> $(<span class="string">"p:first"</span>,<span class="keyword">this</span>).text(<span class="string">"mouse over"</span>);</code></div></div><div class="container"><div class="line"><code>});</code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="keyword">var</span> n = <span class="number">0</span>;</code></div></div><div class="container"><div class="line"><code>$(<span class="string">"div.enterleave"</span>).bind(<span class="string">"mouseenter"</span>,<span class="keyword">function</span>(){</code></div></div><div class="container"><div class="line"><code> $(<span class="string">"p:first"</span>,<span class="keyword">this</span>).text(<span class="string">"mouse enter"</span>);</code></div></div><div class="container"><div class="line"><code>}).bind(<span class="string">"mouseleave"</span>,<span class="keyword">function</span>(){</code></div></div><div class="container"><div class="line"><code> $(<span class="string">"p:first"</span>,<span class="keyword">this</span>).text(<span class="string">"mouse leave"</span>);</code></div></div><div class="container"><div class="line"><code> $(<span class="string">"p:last"</span>,<span class="keyword">this</span>).text(++n);</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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</td>
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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> |