js右键生成菜单 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>右键菜单</title>
</head>
<style>
    *{
        margin: 0;
        padding: 0;
    }
    ul{
    list-style: none;
    width: 200px;
    padding: 10px;
    border: 1px solid black;
    display: none;
    position: absolute;
  }
ul li:hover{
 background: skyblue;

}

</style>
<body>
    <ul id="list">
        <li class="aaa">1111</li>
        <li class="bbb">2222</li>
        <li class="ccc">3333</li>
        <li class="ddd">4444</li>

    </ul>
    <script>
       document.addEventListener("contextmenu",function(evt){
       evt.preventDefault()
       list.style.display="block"
     if(x >= document.documentElement.clientWidth-list.offsetWidth){
     x=document.documentElement.clientWidth-list.offsetWidth

     }
     if(y >= document.documentElement.clientHeight-list.offsetHeight){
     y=document.documentElement.clientHeight-list.offsetHeight

     }

       var x=evt.clientX
       var y=evt.clientY
       list.style.left=x + "px"
       list.style.top=y + "px"
       })
    document.addEventListener("click",()=>{
    list.style.display="none"

     })
    list.onclick=function(evt){
        console.log("list",evt.target)
        if(evt.target.className==="aaa"){
           console.log(111111)
        }
    }
    </script>
</body>
</html>

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>右键菜单</title>
</head>
<style>
    *{
        margin: 0;
        padding: 0;
    }
    ul{
    list-style: none;
    width: 200px;
    padding: 10px;
    border: 1px solid black;
    display: none;
    position: absolute;
  }
ul li:hover{
 background: skyblue;

}

</style>
<body>
    <ul id="list">
        <li class="aaa">1111</li>
        <li class="bbb">2222</li>
        <li class="ccc">3333</li>
        <li class="ddd">4444</li>

    </ul>
    <script>
       document.addEventListener("contextmenu",function(evt){
       evt.preventDefault()
       list.style.display="block"
     if(x >= document.documentElement.clientWidth-list.offsetWidth){
     x=document.documentElement.clientWidth-list.offsetWidth

     }
     if(y >= document.documentElement.clientHeight-list.offsetHeight){
     y=document.documentElement.clientHeight-list.offsetHeight

     }

       var x=evt.clientX
       var y=evt.clientY
       list.style.left=x + "px"
       list.style.top=y + "px"
       })
    document.addEventListener("click",()=>{
    list.style.display="none"

     })
    list.onclick=function(evt){
        console.log("list",evt.target)
        if(evt.target.className==="aaa"){
           console.log(111111)
        }
    }
    </script>
</body>
</html>
posted @ 2022-10-10 15:59  1014040868a  阅读(205)  评论(0)    收藏  举报