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60 lines
No EOL
2.8 KiB
HTML
60 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.merge()</h1>
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</div>
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<div data-role="content" data-theme="c" id="jQuery.merge1">
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<h2 class="jq-clearfix roundTop section-title">
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<span class="name">jQuery.merge( first, second )</span> <span class="returns">Returns: <a class="return" href="http://docs.jquery.com/Types#Array">Array</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>Merge the contents of two arrays together into the first array. </p>
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<ul class="signatures"><li class="signature" id="jQuery.merge-first-second">
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<h4 class="name">
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<span class="versionAdded">version added: <a href="/category/version/1.0/">1.0</a></span>jQuery.merge( first, second )</h4>
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<p class="arguement"><strong>first</strong>The first array to merge, the elements of second added.</p>
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<p class="arguement"><strong>second</strong>The second array to merge into the first, unaltered.</p>
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</li></ul>
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<div class="longdesc">
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<p>The <code>$.merge()</code> operation forms an array that contains all elements from the two arrays. The orders of items in the arrays are preserved, with items from the second array appended. The <code>$.merge()</code> function is destructive. It alters the first parameter to add the items from the second. </p>
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<p>If you need the original first array, make a copy of it before calling <code>$.merge()</code>. Fortunately, <code>$.merge()</code> itself can be used for this duplication:</p>
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<pre>var newArray = $.merge([], oldArray);</pre>
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<p>This shortcut creates a new, empty array and merges the contents of oldArray into it, effectively cloning the array.</p>
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<p>The arguments should be true Javascript Array objects; use <code>$.makeArray</code> if they are not.</p>
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</div>
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<h3>Examples:</h3>
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<div id="entry-examples" class="entry-examples">
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<div id="example-0">
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<h4>Example: <span class="desc">Merges two arrays, altering the first argument.</span>
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</h4>
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<pre><code class="example">$.merge( [0,1,2], [2,3,4] )</code></pre>
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<h4>Result:</h4>
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<pre><code class="results">[0,1,2,2,3,4] </code></pre>
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</div>
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<div id="example-1">
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<h4>Example: <span class="desc">Merges two arrays, altering the first argument.</span>
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</h4>
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<pre><code class="example">$.merge( [3,2,1], [4,3,2] ) </code></pre>
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<h4>Result:</h4>
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<pre><code class="results">[3,2,1,4,3,2] </code></pre>
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</div>
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<div id="example-2">
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<h4>Example: <span class="desc">Merges two arrays, but uses a copy, so the original isn't altered.</span>
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</h4>
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<pre><code class="example">var first = ['a','b','c'];
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var second = ['d','e','f'];
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$.merge( $.merge([],first), second);
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</code></pre>
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<h4>Result:</h4>
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<pre><code class="results">["a","b","c","d","e","f"] </code></pre>
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</div>
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</div>
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</div>
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</div>
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</div>
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</body></html> |