r</h2>
<p>Click on each button to display different alert message box.</p>
<div style="margin:20px 0;">
    <a href="#" class="easyui-linkbutton" onclick="alert1()">Alert</a>
    <a href="#" class="easyui-linkbutton" onclick="alert2()">Error</a>
    <a href="#" class="easyui-linkbutton" onclick="alert3()">Info</a>
    <a href="#" class="easyui-linkbutton" onclick="alert4()">Question</a>
    <a href="#" class="easyui-linkbutton" onclick="alert5()">Warning</a>
</div>
<script>
    function alert1() {
        $