Bootstrap Table

HTML

<link rel="stylesheet" href="https://rawgit.com/wenzhixin/bootstrap-table/master/src/bootstrap-table.css">
<script src="https://rawgit.com/wenzhixin/bootstrap-table/master/src/bootstrap-table.js"></script>
<table id="inpost-users-table" class="table table-striped table-condensed" 
       data-toggle="table"
       data-pagination="true"
       data-page-size="10" >
    
    <thead>
    <tr>
        <th data-field="name" data-formatter="commonFormatter" data-events="commonEvents">Name</th>
        <th data-field="stargazers_count" data-formatter="commonFormatter" data-events="commonEvents">Stars</th>
    </tr>
    </thead>
    
    <tbod>
        <tr><td>A</td><td>B</td></tr>
        <tr><td>C</td><td>D</td></tr>
        <tr><td>E</td><td>F</td></tr>
                <tr><td>A</td><td>B</td></tr>
        <tr><td>C</td><td>D</td></tr>
        <tr><td>E</td><td>F</td></tr>
                <tr><td>A</td><td>B</td></tr>
        <tr><td>C</td><td>D</td></tr>
        <tr><td>E</td><td>F</td></tr>
                <tr><td>A</td><td>B</td></tr>
        <tr><td>C</td><td>D</td></tr>
        <tr><td>E</td><td>F</td></tr>
                <tr><td>A</td><td>B</td></tr>
        <tr><td>C</td><td>D</td></tr>
        <tr><td>E</td><td>F</td></tr>
                <tr><td>A</td><td>B</td></tr>
        <tr><td>C</td><td>D</td></tr>
        <tr><td>E</td><td>F</td></tr>
    </tbod>
</table>

JavaScript

$(document).on('click', '.dropdown-menu', function(){
    alert($('.pagination-detail .page-size').text());
});