mirror of
https://github.com/fofolee/uTools-Manuals.git
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116 lines
14 KiB
HTML
116 lines
14 KiB
HTML
<article class="" id="post-">
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<header class="entry-header">
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<h1 class="entry-title">All Selector ("*")</h1>
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<div class="entry-meta">
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所属分类：<span class="category"><a href="/category/selectors/">选择器</a> > <a href="/category/selectors/basic-css-selectors/">基础选择器</a></span>
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<span class="pull-right">英文文档：<a href="https://api.jquery123.com/all-selector/" target="_blank">All Selector ("*")</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 selector" id="all1"><h2 class="section-title"><span>all selector</span></h2>
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<div class="entry-wrapper">
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<p class="desc"><strong>描述: </strong>选择所有元素.</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/1.0/">1.0</a></span>jQuery( "*" )</h4></li></ul>
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<div class="longdesc" id="entry-longdesc">
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<p>警告： 除非被它自己使用，否则 * 选择器或通用选择器，其速度是极其慢的。</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>Example: <span class="desc">查找文档中的每一个元素（包括 head, body 等）。 Note that if your browser has an extension/add-on enabled that inserts a <code><script></code> or <code><link></code> element into the DOM, that element will be counted as well.</span>
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</h4>
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<div class="syntaxhighlighter xml ">
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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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<div class="line n4">4</div>
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<div class="line n5">5</div>
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<div class="line n6">6</div>
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<div class="line n7">7</div>
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<div class="line n8">8</div>
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<div class="line n9">9</div>
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<div class="line n10">10</div>
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<div class="line n11">11</div>
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<div class="line n12">12</div>
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<div class="line n13">13</div>
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<div class="line n14">14</div>
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<div class="line n15">15</div>
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<div class="line n16">16</div>
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<div class="line n17">17</div>
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<div class="line n18">18</div>
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<div class="line n19">19</div>
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<div class="line n20">20</div>
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<div class="line n21">21</div>
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<div class="line n22">22</div>
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<div class="line n23">23</div>
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<div class="line n24">24</div>
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<div class="line n25">25</div>
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<div class="line n26">26</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><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">h3</span> <span class="rules">{ <span class="rule"><span class="attribute">margin</span>:<span class="value"> <span class="number">0</span>;</span></span> <span class="rule">}</span></span></code></div></div><div class="container"><div class="line"><code> <span class="tag">div</span>,<span class="tag">span</span>,<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">width</span>:<span class="value"> <span class="number">80</span>px;</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">40</span>px;</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 class="attribute">padding</span>:<span class="value"> <span class="number">10</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">10</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">#EEEEEE</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> <span class="tag"><<span class="title">div</span>></span>DIV<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">span</span>></span>SPAN<span class="tag"></<span class="title">span</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">p</span>></span>P <span class="tag"><<span class="title">button</span>></span>Button<span class="tag"></<span class="title">button</span>></span><span class="tag"></<span class="title">p</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">script</span>></span><span class="javascript"><span class="keyword">var</span> elementCount = $(<span class="string">"*"</span>).css(<span class="string">"border"</span>,<span class="string">"3px solid red"</span>).length;</span></code></div></div><div class="container"><div class="line"><code>$(<span class="string">"body"</span>).prepend(<span class="string">"<h3>"</span> + elementCount + <span class="string">" elements found</h3>"</span>);<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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</tr>
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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>
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<div class="entry-example" id="example-1">
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<h4>Example: <span class="desc">查找document.body的所有元素
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所以像head，script等元素被排除在外。</span>
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</h4>
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<div class="syntaxhighlighter xml ">
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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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<div class="line n4">4</div>
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<div class="line n5">5</div>
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<div class="line n6">6</div>
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<div class="line n7">7</div>
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<div class="line n8">8</div>
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<div class="line n9">9</div>
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<div class="line n10">10</div>
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<div class="line n11">11</div>
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<div class="line n12">12</div>
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<div class="line n13">13</div>
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<div class="line n14">14</div>
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<div class="line n15">15</div>
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<div class="line n16">16</div>
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<div class="line n17">17</div>
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<div class="line n18">18</div>
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<div class="line n19">19</div>
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<div class="line n20">20</div>
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<div class="line n21">21</div>
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<div class="line n22">22</div>
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<div class="line n23">23</div>
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<div class="line n24">24</div>
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<div class="line n25">25</div>
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<div class="line n26">26</div>
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<div class="line n27">27</div>
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<div class="line n28">28</div>
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<div class="line n29">29</div>
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<div class="line n30">30</div>
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<div class="line n31">31</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><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">h3</span> <span class="rules">{ <span class="rule"><span class="attribute">margin</span>:<span class="value"> <span class="number">0</span>;</span></span> <span class="rule">}</span></span></code></div></div><div class="container"><div class="line"><code> <span class="tag">div</span>,<span class="tag">span</span>,<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">width</span>:<span class="value"> <span class="number">80</span>px;</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">40</span>px;</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 class="attribute">padding</span>:<span class="value"> <span class="number">10</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">10</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">#EEEEEE</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="id">#test</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"> auto;</span></span> <span class="rule"><span class="attribute">height</span>:<span class="value"> auto;</span></span> <span class="rule"><span class="attribute">background-color</span>:<span class="value"> transparent;</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> <span class="tag"><<span class="title">div</span> <span class="attribute">id</span>=<span class="value">"test"</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">div</span>></span>DIV<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">span</span>></span>SPAN<span class="tag"></<span class="title">span</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">p</span>></span>P <span class="tag"><<span class="title">button</span>></span>Button<span class="tag"></<span class="title">button</span>></span><span class="tag"></<span class="title">p</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">script</span>></span><span class="javascript"></span></code></div></div><div class="container"><div class="line"><code><span class="keyword">var</span> elementCount = $(<span class="string">"#test"</span>).find(<span class="string">"*"</span>).css(<span class="string">"border"</span>,<span class="string">"3px solid red"</span>).length;</code></div></div><div class="container"><div class="line"><code>$(<span class="string">"body"</span>).prepend(<span class="string">"<h3>"</span> + elementCount + <span class="string">" elements found</h3>"</span>);<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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</tr>
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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> |