javascript全局自定义鼠标右键菜单

Z时代
2024-01-10
分类：IT

本文实例为大家分享了javascript全局自定义鼠标右键菜单的具体代码，供大家参考，具体内容如下

前言

html全局自定义鼠标右键菜单

一、效果展示

二、源代码


<!DOCTYPE html>
<html>
 <head>
 <meta charset="utf-8">
 <title></title>
 <style type="text/css">
 #TextBox{
 width: 200px;
 height: 200px;
 border: 1px solid #000;
 }
 #menu{
 position: absolute;
 border: 1px solid #000;
 }
 #menu > div:nth-child(2){
 border-top: 1px solid #000;
 }
 #menu > div:nth-child(3){
 border-top: 1px solid #000;
 }
 #menu > div:nth-child(4){
 border-top: 1px solid #000;
 }
 #menu > div:hover{
 cursor: pointer;
 background-color: #0078E7;
 }
 </style>
 </head>
 <body>
 <div id="TextBox">
 <div id="menu">
 <div>自定义菜单</div>
 <div>1</div>
 <div>2</div>
 <div>3</div>
 </div>
 </div>
 <script type="text/javascript">
 window.onload = function(){
 var ul = document.getElementById("menu"); //获取ul节点对象
 ul.style.display = "none";
 /*为document绑定鼠标右键菜单事件*/
 document.oncontextmenu = function(e){
  var _event = window.event||e; //事件对象
  var x = _event.clientX; // 鼠标的x坐标
  var y = _event.clientY; //鼠标的y坐标
  ul.style.display = "block";
  ul.style.left = x + "px"; //改变ul的坐标
  ul.style.top = y + "px"; 
  //阻止默认行为
  if(_event.preventDefault){
  _event.preventDefault(); //标准格式
  }else{
  _event.returnValue = false; //IE格式
  }
 }
 document.onclick = function(){
  ul.style.display = "none";
 }
 }
 </script>
 </body>
</html>