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heaven and hell's moving

2022-06-26 02:09:00 【Asmruan】 

<!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>Document</title>
    <style lang="">
        header{
            display: flex;
            justify-content: space-evenly;
        }
        div{
            width: 500px;
            height: 400px;
            border: 2px solid red;
        }

    </style>
</head>
<body>
  <header>
    <div>
       <h2>  The universe moves </h2>
    </div>

    <button>  Start  </button>

    <div id="two">
        
    </div>
  </header>
</body>
</html>
<script>
    // 1. obtain dom   The binding event 
    // 2. Get text content 
    // 3. Assign to new div
    var flag = true
    document.querySelector("button").addEventListener("click",function(){
       
        if(flag){
            document.querySelector("#two").innerHTML = document.querySelector("div").innerHTML
        document.querySelector("div").innerHTML = ""
        }else{
            document.querySelector("div").innerHTML = document.querySelector("#two").innerHTML 
            document.querySelector("#two").innerHTML = ""
        }
        flag = !flag
    })

</script>

原网站

版权声明
本文为[Asmruan]所创，转载请带上原文链接，感谢
https://yzsam.com/2022/02/202202180550383888.html

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