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91 lines
4.7 KiB
HTML
91 lines
4.7 KiB
HTML
<article class="" id="post-">
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<header class="entry-header">
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<h1 class="entry-title">.resize()</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/browser-events/">浏览器事件</a></span>
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<span class="pull-right">英文文档:<a href="https://api.jquery123.com/resize/" target="_blank">.resize()</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="resize1"><h2 class="section-title">
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<span class="name">.resize( 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 "resize" 事件绑定一个处理函数,或者触发元素上的该事件。</p>
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<ul class="signatures">
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<li class="signature" id="resize-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>.resize( 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="resize-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>.resize( [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="resize">
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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>.resize()</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>这个函数的前两个用法是 <code>.bind('resize', handler)</code> 的快捷方式,第3个不带参数的用法是 <code>.trigger('resize')</code> 的快捷方式。</p>
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<p>当浏览器window的尺寸改变时,<code>window</code>元素上绑定的<code>resize</code>事件将被触发:</p>
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<div class="syntaxhighlighter javascript nogutter">
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<table>
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<tbody>
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<tr>
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<td class="gutter">
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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>$(window).resize(<span class="keyword">function</span>() {</code></div></div><div class="container"><div class="line"><code> $(<span class="string">'#log'</span>).append(<span class="string">'<div>Handler for .resize() called.</div>'</span>);</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>现在,只要在浏览器窗口的大小改变时,根据不同的浏览器,该消息被追加到<div id="log">一次或多次。</p>
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<p><code>resize</code> 事件处理中的代码,不应该依赖于事件被调用的次数。由于不同浏览器对该事件实现的方式不同,该事件被调用的时机也不同。例如,对于 Internet Explorer 或 基于 WebKit 的浏览器(例如,Safari 和 Chrome)而言,resize 事件在窗口改变的过程中,会被连续调用。在某些浏览器,如 Opera,该事件只在调整窗口大小操作结束时被调用。</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">当窗口大小改变时(或改变后),查看窗口的宽度:</span></h4>
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<div class="syntaxhighlighter javascript ">
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<table>
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<tbody>
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<tr>
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<td class="gutter">
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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>$(window).resize(<span class="keyword">function</span>() {</code></div></div><div class="container"><div class="line"><code> $(<span class="string">'body'</span>).prepend(<span class="string">'<div>'</span> + $(window).width() + <span class="string">'</div>'</span>);</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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</div></section>
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</div></article> </div>
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</article> |