"When clicked table item open subitem."
Bootstrap 3.3.0 Snippet by muhittinbudak

<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <h1>Event handling test</h1> <p>Add rows to both tables and see the difference in handling.</p> <p>Event delegation attaches a single event listener and events related to newly added children are caught.</p> <p>Direct event handling attaches an event handler to each child, where children added after the inital handler attachment don't have a handler attached to them, and therefore their indices won't be logged to console.</p> <h2>Delegation</h2> <button data-action="add-row" data-table="table-delegate">Add row to delegation</button> <table id="table-delegate" class="table"> <tbody> <tr> <td>normal</td> <td>normal</td> <td>normal</td> </tr> <tr> <td><p>nested</p></td> <td><p>nested</p></td> <td><p>nested</p></td> </tr> <tr> <td>normal</td> <td>normal</td> <td><p>nested</p></td> </tr> </table> <h2>Direct attachment</h2> <button data-action="add-row" data-table="table-direct">Add row to direct</button> <table id="table-direct" class="table"> <tbody> <tr> <td>normal</td> <td>normal</td> <td>normal</td> </tr> <tr> <td><p>nested</p></td> <td><p>nested</p></td> <td><p>nested</p></td> </tr> <tr> <td>normal</td> <td>normal</td> <td><p>nested</p></td> </tr> </tbody> </table>
tr:hover{ background:#ddd; } button { margin-bottom: 5px; }
$("#table-delegate").on("click", "tr", function(e) { console.log('delegated', $(e.currentTarget).index() + 1); }); $("#table-direct tr").on("click", function(e) { console.log('direct', $(e.currentTarget).index() + 1); }); $('[data-action=add-row]').click(function(e) { var id = e.target.dataset.table; $('#' + id + ' tbody') .append($('<tr><td>extra</td><td>extra</td><td>extra</td></tr>')[0]) });

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