JSFiddle - React, Tailwind, and code Playground

HTML

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" isELIgnored="true" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <c:set var="ctx" value="<%=request.getContextPath()%>"/>
<link rel="stylesheet" href="<%=request.getContextPath()%>/tree_json/admin.css" />
</head>
<body>
<div id="treemenu" class="treemenu" style="font-size:15px"></div>

<!-- <div style="text-align: center;">提示：右击菜单可添加和修改节点</div>-->
<div style="margin: 20px auto;font-size:14px"">
            <!--<input onclick="checkboxMode()" value="checkbox模式" type="button" />
            <input onclick="radioMode()" value="radio模式" type="button" />-->
            <input onclick="treemenu.expandAll()" value="全部展开" type="button" />
            <input onclick="treemenu.expandAll(false)" value="全部收缩" type="button" />
            <input id="quedinga" onclick="confirm3()" value="提交" type="button" />
        </div>
      

<script type="text/javascript" src="<%=request.getContextPath()%>/tree_json/TreeMenu.js"></script>
        <script type="text/javascript">
 //TreeMenu
              var treemenu = new TreeMenu( {
                container :  document.getElementById('treemenu'),
				tree_expand_plus : '<%=request.getContextPath()%>/tree_json/tree_expand_plus.gif',
				tree_expand_minus : '<%=request.getContextPath()%>/tree_json/tree_expand_minus.gif',
				tree_expand_normal : '<%=request.getContextPath()%>/tree_json/tree_expand_normal.gif',
				tree_icon_file : '<%=request.getContextPath()%>/tree_json/tree_icon_file.gif',
				tree_icon_folder : '<%=request.getContextPath()%>/tree_json/tree_icon_folder.gif',
				tree_icon_folderopen : '<%=request.getContextPath()%>/tree_json/tree_icon_folderopen.gif',
			
            });
            treemenu.list.length = 0;
            function bindTree() {
               
         ...

JavaScript

$("#sel").attr("disabled","disabled").css("background-color","#EEEEEE;");