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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<link rel="shortcut icon" type="image/ico" href="http://www.datatables.net/favicon.ico">
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<meta name="viewport" content="initial-scale=1.0, maximum-scale=2.0">
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<title>DataTables example - Deferred loading of data</title>
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<link rel="stylesheet" type="text/css" href="../../media/css/jquery.dataTables.css">
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<link rel="stylesheet" type="text/css" href="../resources/syntax/shCore.css">
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<link rel="stylesheet" type="text/css" href="../resources/demo.css">
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<style type="text/css" class="init">
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</style>
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<script type="text/javascript" language="javascript" src="//code.jquery.com/jquery-1.11.3.min.js"></script>
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<script type="text/javascript" language="javascript" src="../../media/js/jquery.dataTables.js"></script>
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<script type="text/javascript" language="javascript" src="../resources/syntax/shCore.js"></script>
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<script type="text/javascript" language="javascript" src="../resources/demo.js"></script>
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<script type="text/javascript" language="javascript" class="init">
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$(document).ready(function() {
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$('#example').DataTable( {
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"processing": true,
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"serverSide": true,
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"ajax": "scripts/server_processing.php",
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"deferLoading": 57
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} );
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} );
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</script>
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</head>
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<body class="dt-example">
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<div class="container">
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<section>
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<h1>DataTables example <span>Deferred loading of data</span></h1>
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<div class="info">
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<p>When using DataTables with server-side processing, the default behaviour is to have DataTables automatically make an Ajax call and load the data, removing
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anything which might have already been in the table. However, this behaviour might not always be desirable when the first page of the table has already been
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preloaded in the HTML (which you might do to ensure accessibility or for performance reasons).</p>
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<p>This automatic Ajax call to get the first page of data can be overridden by using the <a href="//datatables.net/reference/option/deferLoading"><code class=
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"option" title="DataTables initialisation option">deferLoading</code></a> initialisation property. It serves two purposes, firstly to indicate that deferred
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loading is required, but also to tell DataTables how many records there are in the full table, in this case 57 (this allows the information element and pagination
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to be displayed correctly).</p>
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<p>In the example below, the HTML page already has the first 10 rows of data available it in, so we use <a href=
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"//datatables.net/reference/option/deferLoading"><code class="option" title="DataTables initialisation option">deferLoading</code></a> to tell DataTables that this
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data is available and that it should wait for under interaction (ordering, paging etc) before making an Ajax call.</p>
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</div>
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<table id="example" class="display" cellspacing="0" width="100%">
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<thead>
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<tr>
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<th>First name</th>
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<th>Last name</th>
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<th>Position</th>
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<th>Office</th>
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<th>Start date</th>
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<th>Salary</th>
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</tr>
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</thead>
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<tfoot>
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<tr>
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<th>First name</th>
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<th>Last name</th>
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<th>Position</th>
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<th>Office</th>
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<th>Start date</th>
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<th>Salary</th>
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</tr>
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</tfoot>
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<tr class="odd">
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<td>Airi</td>
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<td>Satou</td>
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<td>Accountant</td>
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<td>Tokyo</td>
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<td>28th Nov 08</td>
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<td>$162,700</td>
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</tr>
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<tr class="even">
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<td>Angelica</td>
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<td>Ramos</td>
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<td>Chief Executive Officer (CEO)</td>
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<td>London</td>
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<td>9th Oct 09</td>
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<td>$1,200,000</td>
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</tr>
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<tr class="odd">
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<td>Ashton</td>
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<td>Cox</td>
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<td>Junior Technical Author</td>
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<td>San Francisco</td>
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<td>12th Jan 09</td>
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<td>$86,000</td>
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</tr>
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<tr class="even">
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<td>Bradley</td>
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<td>Greer</td>
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<td>Software Engineer</td>
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<td>London</td>
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<td>13th Oct 12</td>
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<td>$132,000</td>
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</tr>
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<tr class="odd">
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<td>Brenden</td>
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<td>Wagner</td>
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<td>Software Engineer</td>
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<td>San Francisco</td>
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<td>7th Jun 11</td>
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<td>$206,850</td>
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</tr>
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<tr class="even">
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<td>Brielle</td>
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<td>Williamson</td>
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<td>Integration Specialist</td>
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<td>New York</td>
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<td>2nd Dec 12</td>
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<td>$372,000</td>
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</tr>
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<tr class="odd">
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<td>Bruno</td>
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<td>Nash</td>
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<td>Software Engineer</td>
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<td>London</td>
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<td>3rd May 11</td>
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<td>$163,500</td>
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</tr>
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<tr class="even">
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<td>Caesar</td>
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<td>Vance</td>
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<td>Pre-Sales Support</td>
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<td>New York</td>
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<td>12th Dec 11</td>
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<td>$106,450</td>
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</tr>
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<tr class="odd">
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<td>Cara</td>
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<td>Stevens</td>
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<td>Sales Assistant</td>
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<td>New York</td>
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<td>6th Dec 11</td>
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<td>$145,600</td>
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</tr>
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<tr class="even">
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<td>Cedric</td>
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<td>Kelly</td>
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<td>Senior Javascript Developer</td>
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<td>Edinburgh</td>
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<td>29th Mar 12</td>
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<td>$433,060</td>
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</tr>
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</table>
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<ul class="tabs">
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<li class="active">Javascript</li>
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<li>HTML</li>
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<li>CSS</li>
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<li>Ajax</li>
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<li>Server-side script</li>
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</ul>
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<div class="tabs">
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<div class="js">
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<p>The Javascript shown below is used to initialise the table shown in this example:</p><code class="multiline language-js">$(document).ready(function() {
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$('#example').DataTable( {
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"processing": true,
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"serverSide": true,
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"ajax": "scripts/server_processing.php",
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"deferLoading": 57
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} );
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} );</code>
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<p>In addition to the above code, the following Javascript library files are loaded for use in this example:</p>
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<ul>
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<li><a href="//code.jquery.com/jquery-1.11.3.min.js">//code.jquery.com/jquery-1.11.3.min.js</a></li>
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<li><a href="../../media/js/jquery.dataTables.js">../../media/js/jquery.dataTables.js</a></li>
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</ul>
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</div>
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<div class="table">
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<p>The HTML shown below is the raw HTML table element, before it has been enhanced by DataTables:</p>
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</div>
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<div class="css">
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<div>
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<p>This example uses a little bit of additional CSS beyond what is loaded from the library files (below), in order to correctly display the table. The
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additional CSS used is shown below:</p><code class="multiline language-css"></code>
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</div>
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<p>The following CSS library files are loaded for use in this example to provide the styling of the table:</p>
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<ul>
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<li><a href="../../media/css/jquery.dataTables.css">../../media/css/jquery.dataTables.css</a></li>
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</ul>
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</div>
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<div class="ajax">
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<p>This table loads data by Ajax. The latest data that has been loaded is shown below. This data will update automatically as any additional data is
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loaded.</p>
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</div>
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<div class="php">
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<p>The script used to perform the server-side processing for this table is shown below. Please note that this is just an example script using PHP. Server-side
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processing scripts can be written in any language, using <a href="//datatables.net/manual/server-side">the protocol described in the DataTables
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documentation</a>.</p>
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</div>
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</div>
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</section>
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</div>
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<section>
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<div class="footer">
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<div class="gradient"></div>
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<div class="liner">
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<h2>Other examples</h2>
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<div class="toc">
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<div class="toc-group">
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<h3><a href="../basic_init/index.html">Basic initialisation</a></h3>
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<ul class="toc">
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<li><a href="../basic_init/zero_configuration.html">Zero configuration</a></li>
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<li><a href="../basic_init/filter_only.html">Feature enable / disable</a></li>
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<li><a href="../basic_init/table_sorting.html">Default ordering (sorting)</a></li>
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<li><a href="../basic_init/multi_col_sort.html">Multi-column ordering</a></li>
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<li><a href="../basic_init/multiple_tables.html">Multiple tables</a></li>
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<li><a href="../basic_init/hidden_columns.html">Hidden columns</a></li>
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<li><a href="../basic_init/complex_header.html">Complex headers (rowspan and colspan)</a></li>
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<li><a href="../basic_init/dom.html">DOM positioning</a></li>
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<li><a href="../basic_init/flexible_width.html">Flexible table width</a></li>
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<li><a href="../basic_init/state_save.html">State saving</a></li>
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<li><a href="../basic_init/alt_pagination.html">Alternative pagination</a></li>
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<li><a href="../basic_init/scroll_y.html">Scroll - vertical</a></li>
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<li><a href="../basic_init/scroll_y_dynamic.html">Scroll - vertical, dynamic height</a></li>
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<li><a href="../basic_init/scroll_x.html">Scroll - horizontal</a></li>
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<li><a href="../basic_init/scroll_xy.html">Scroll - horizontal and vertical</a></li>
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<li><a href="../basic_init/comma-decimal.html">Language - Comma decimal place</a></li>
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<li><a href="../basic_init/language.html">Language options</a></li>
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</ul>
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</div>
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<div class="toc-group">
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<h3><a href="../advanced_init/index.html">Advanced initialisation</a></h3>
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<ul class="toc">
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<li><a href="../advanced_init/events_live.html">DOM / jQuery events</a></li>
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<li><a href="../advanced_init/dt_events.html">DataTables events</a></li>
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<li><a href="../advanced_init/column_render.html">Column rendering</a></li>
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<li><a href="../advanced_init/length_menu.html">Page length options</a></li>
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<li><a href="../advanced_init/dom_multiple_elements.html">Multiple table control elements</a></li>
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<li><a href="../advanced_init/complex_header.html">Complex headers with column visibility</a></li>
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<li><a href="../advanced_init/object_dom_read.html">Read HTML to data objects</a></li>
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<li><a href="../advanced_init/html5-data-attributes.html">HTML5 data-* attributes - cell data</a></li>
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<li><a href="../advanced_init/html5-data-options.html">HTML5 data-* attributes - table options</a></li>
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<li><a href="../advanced_init/language_file.html">Language file</a></li>
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<li><a href="../advanced_init/defaults.html">Setting defaults</a></li>
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<li><a href="../advanced_init/row_callback.html">Row created callback</a></li>
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<li><a href="../advanced_init/row_grouping.html">Row grouping</a></li>
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<li><a href="../advanced_init/footer_callback.html">Footer callback</a></li>
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<li><a href="../advanced_init/dom_toolbar.html">Custom toolbar elements</a></li>
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<li><a href="../advanced_init/sort_direction_control.html">Order direction sequence control</a></li>
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</ul>
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</div>
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<div class="toc-group">
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<h3><a href="../styling/index.html">Styling</a></h3>
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<ul class="toc">
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<li><a href="../styling/display.html">Base style</a></li>
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<li><a href="../styling/no-classes.html">Base style - no styling classes</a></li>
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<li><a href="../styling/cell-border.html">Base style - cell borders</a></li>
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<li><a href="../styling/compact.html">Base style - compact</a></li>
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<li><a href="../styling/hover.html">Base style - hover</a></li>
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<li><a href="../styling/order-column.html">Base style - order-column</a></li>
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<li><a href="../styling/row-border.html">Base style - row borders</a></li>
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<li><a href="../styling/stripe.html">Base style - stripe</a></li>
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<li><a href="../styling/bootstrap.html">Bootstrap</a></li>
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<li><a href="../styling/foundation.html">Foundation</a></li>
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<li><a href="../styling/jqueryUI.html">jQuery UI ThemeRoller</a></li>
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</ul>
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</div>
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<div class="toc-group">
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<h3><a href="../data_sources/index.html">Data sources</a></h3>
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<ul class="toc">
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<li><a href="../data_sources/dom.html">HTML (DOM) sourced data</a></li>
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<li><a href="../data_sources/ajax.html">Ajax sourced data</a></li>
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<li><a href="../data_sources/js_array.html">Javascript sourced data</a></li>
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<li><a href="../data_sources/server_side.html">Server-side processing</a></li>
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</ul>
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</div>
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<div class="toc-group">
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<h3><a href="../api/index.html">API</a></h3>
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<ul class="toc">
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<li><a href="../api/add_row.html">Add rows</a></li>
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<li><a href="../api/multi_filter.html">Individual column searching (text inputs)</a></li>
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<li><a href="../api/multi_filter_select.html">Individual column searching (select inputs)</a></li>
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<li><a href="../api/highlight.html">Highlighting rows and columns</a></li>
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<li><a href="../api/row_details.html">Child rows (show extra / detailed information)</a></li>
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<li><a href="../api/select_row.html">Row selection (multiple rows)</a></li>
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<li><a href="../api/select_single_row.html">Row selection and deletion (single row)</a></li>
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<li><a href="../api/form.html">Form inputs</a></li>
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<li><a href="../api/counter_columns.html">Index column</a></li>
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308 |
<li><a href="../api/show_hide.html">Show / hide columns dynamically</a></li>
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309 |
<li><a href="../api/api_in_init.html">Using API in callbacks</a></li>
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310 |
<li><a href="../api/tabs_and_scrolling.html">Scrolling and Bootstrap tabs</a></li>
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311 |
<li><a href="../api/regex.html">Search API (regular expressions)</a></li>
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</ul>
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</div>
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<div class="toc-group">
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<h3><a href="../ajax/index.html">Ajax</a></h3>
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317 |
<ul class="toc">
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318 |
<li><a href="../ajax/simple.html">Ajax data source (arrays)</a></li>
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319 |
<li><a href="../ajax/objects.html">Ajax data source (objects)</a></li>
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<li><a href="../ajax/deep.html">Nested object data (objects)</a></li>
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<li><a href="../ajax/objects_subarrays.html">Nested object data (arrays)</a></li>
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<li><a href="../ajax/orthogonal-data.html">Orthogonal data</a></li>
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<li><a href="../ajax/null_data_source.html">Generated content for a column</a></li>
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324 |
<li><a href="../ajax/custom_data_property.html">Custom data source property</a></li>
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325 |
<li><a href="../ajax/custom_data_flat.html">Flat array data source</a></li>
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326 |
<li><a href="../ajax/defer_render.html">Deferred rendering for speed</a></li>
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327 |
</ul>
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</div>
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329 |
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<div class="toc-group">
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<h3><a href="./index.html">Server-side</a></h3>
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332 |
<ul class="toc active">
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<li><a href="./simple.html">Server-side processing</a></li>
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334 |
<li><a href="./custom_vars.html">Custom HTTP variables</a></li>
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335 |
<li><a href="./post.html">POST data</a></li>
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336 |
<li><a href="./ids.html">Automatic addition of row ID attributes</a></li>
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337 |
<li><a href="./object_data.html">Object data source</a></li>
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338 |
<li><a href="./row_details.html">Row details</a></li>
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<li><a href="./select_rows.html">Row selection</a></li>
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340 |
<li><a href="./jsonp.html">JSONP data source for remote domains</a></li>
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341 |
<li class="active"><a href="./defer_loading.html">Deferred loading of data</a></li>
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<li><a href="./pipeline.html">Pipelining data to reduce Ajax calls for paging</a></li>
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</ul>
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</div>
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<div class="toc-group">
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|
347 |
<h3><a href="../plug-ins/index.html">Plug-ins</a></h3>
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|
348 |
<ul class="toc">
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|
349 |
<li><a href="../plug-ins/api.html">API plug-in methods</a></li>
|
|
|
350 |
<li><a href="../plug-ins/sorting_auto.html">Ordering plug-ins (with type detection)</a></li>
|
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|
351 |
<li><a href="../plug-ins/sorting_manual.html">Ordering plug-ins (no type detection)</a></li>
|
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|
352 |
<li><a href="../plug-ins/range_filtering.html">Custom filtering - range search</a></li>
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|
353 |
<li><a href="../plug-ins/dom_sort.html">Live DOM ordering</a></li>
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354 |
</ul>
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355 |
</div>
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</div>
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<div class="epilogue">
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<p>Please refer to the <a href="http://www.datatables.net">DataTables documentation</a> for full information about its API properties and methods.<br>
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Additionally, there are a wide range of <a href="http://www.datatables.net/extensions">extensions</a> and <a href=
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"http://www.datatables.net/plug-ins">plug-ins</a> which extend the capabilities of DataTables.</p>
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363 |
<p class="copyright">DataTables designed and created by <a href="http://www.sprymedia.co.uk">SpryMedia Ltd</a> © 2007-2015<br>
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DataTables is licensed under the <a href="http://www.datatables.net/mit">MIT license</a>.</p>
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365 |
</div>
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366 |
</div>
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367 |
</div>
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368 |
</section>
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369 |
</body>
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</html>
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