<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Multiple ComboTree - jQuery EasyUI Demo</title> <link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css"> <link rel="stylesheet" type="text/css" href="../../themes/icon.css"> <link rel="stylesheet" type="text/css" href="../demo.css"> <script type="text/javascript" src="../../jquery.min.js"></script> <script type="text/javascript" src="../../jquery.easyui.min.js"></script> </head> <body> <h2>Multiple ComboTree</h2> <p>Click the right arrow button to show the tree panel and select multiple nodes.</p> <div style="margin:20px 0"> <span>Cascade Check: </span> <input type="checkbox" checked onclick="$('#cc').combotree({cascadeCheck:$(this).is(':checked')})"> </div> <select id="cc" class="easyui-combotree" data-options="url:'tree_data1.json',method:'get'" multiple style="width:200px;"></select> </body> </html>