<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Fluid ComboBox - 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>Fluid ComboBox</h2> <p>This example shows how to set the width of combobox to a percentage of its parent container.</p> <div style="margin:20px 0"></div> <p>width: 50%</p> <input class="easyui-combobox" name="language" style="width:50%" data-options=" url: 'combobox_data2.json', method: 'get', valueField:'value', textField:'text', groupField:'group' "> <p>width: 30%</p> <input class="easyui-combobox" name="language" style="width:30%" data-options=" url:'combobox_data1.json', method:'get', valueField:'id', textField:'text', panelHeight:'auto' "> </body> </html>