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61 lines
No EOL
2.8 KiB
HTML
61 lines
No EOL
2.8 KiB
HTML
<!DOCTYPE html>
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<html lang='en'><head>
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<meta charset="utf-8" /><meta http-equiv='content-type' content='text/html; charset=UTF-8' /></head><body>
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<div data-role="page">
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<div data-role="header">
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<h1>jQuery.removeData()</h1>
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</div>
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<div data-role="content" data-theme="c" id="jQuery.removeData1">
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<h2 class="jq-clearfix roundTop section-title">
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<span class="name">jQuery.removeData( element, [ name ] )</span> <span class="returns">Returns: <a class="return" href="http://docs.jquery.com/Types#jQuery">jQuery</a></span>
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</h2>
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<div class=" entry-details">
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<p class="desc"><strong>Description: </strong>Remove a previously-stored piece of data.</p>
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<ul class="signatures"><li class="signature" id="jQuery.removeData-element-name">
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<h4 class="name">
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<span class="versionAdded">version added: <a href="/category/version/1.2.3/">1.2.3</a></span>jQuery.removeData( element, [ name ] )</h4>
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<p class="arguement"><strong>element</strong>A DOM element from which to remove data.</p>
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<p class="arguement"><strong>name</strong>A string naming the piece of data to remove.</p>
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</li></ul>
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<div class="longdesc">
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<p><strong>Note:</strong> This is a low-level method, you should probably use <code><a href="/removeData">.removeData()</a></code> instead.</p>
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<p>The <code>jQuery.removeData()</code> method allows us to remove values that were previously set using <code><a href="/jQuery.data">jQuery.data()</a></code>. When called with the name of a key, <code>jQuery.removeData()</code> deletes that particular value; when called with no arguments, all values are removed.</p>
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</div>
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<h3>Example:</h3>
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<div id="entry-examples" class="entry-examples"><div id="example-0">
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<h4><span class="desc">Set a data store for 2 names then remove one of them.</span></h4>
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<pre><code class="example demo-code"><!DOCTYPE html>
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<html>
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<head>
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<style>
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div { margin:2px; color:blue; }
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span { color:red; }
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</style>
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<script src="http://code.jquery.com/jquery-latest.js"></script>
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</head>
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<body>
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<div>value1 before creation: <span></span></div>
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<div>value1 after creation: <span></span></div>
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<div>value1 after removal: <span></span></div>
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<div>value2 after removal: <span></span></div>
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<script>
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var div = $("div")[0];
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$("span:eq(0)").text("" + $("div").data("test1"));
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jQuery.data(div, "test1", "VALUE-1");
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jQuery.data(div, "test2", "VALUE-2");
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$("span:eq(1)").text("" + jQuery.data(div, "test1"));
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jQuery.removeData(div, "test1");
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$("span:eq(2)").text("" + jQuery.data(div, "test1"));
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$("span:eq(3)").text("" + jQuery.data(div, "test2"));</script>
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</body>
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</html></code></pre>
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<h4>Demo:</h4>
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<div class="demo code-demo"></div>
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</div></div>
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</div>
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</div>
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</div>
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</body></html> |