Initialize Value when ComboTree is created.
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Initialize Value for 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>Initialize Value for ComboTree</h2> <p>Initialize Value when ComboTree is created.</p> <div style="margin:20px 0"></div> <input class="easyui-combotree" value="122" data-options="url:'tree_data1.json',method:'get',required:true" style="width:200px;"> </body> </html>