2023-07-27T16:15:03.png

<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>

        *{
            padding: 0;
            margin:0;

        }


        .wrap{
            width:700px;
            height:500px;
            background:url(https:
            background-size:cover;
            margin:150px auto;
            text-align:center;




        }

        textarea{
            opacity: 0.8;
            border:2px solid #000;
            width:360px;
            height:130px;
            background:#fff;
            border-radius:8px;
            resize:none;
            margin-top:118px;
            padding:5%;
            box-sizing:border-box;
            font-size:16px;
        }



        button{
            display: block;
            width:100px;
            height:45px;
            border:2px solid #fff;
            background:blue;
            font-size:16px;
            line-height:30px;
            font-family:"微软雅黑";
            border-radius:12px;
            color:white;
            margin-left:430px;
        }






        #list{
            width:360px;
            margin:17px 0 0 170px;
            
        }

        ul{
            list-style: none;
        }

        li{
            height: 40px;
            margin-bottom:12px;
            background-color:yellowgreen;
            border-radius:12px;
            color:white;
            padding-left:20px;
            box-sizing:border-box;
            line-height:40px;
            text-align:left;


        }

    </style>
</head>
<body>
  




    <div class="wrap">

        <textarea id="text"></textarea>
        <button id="tj">提交留言</button>
        <ul id="list"></ul>

    </div>


    <script>


var text = document.getElementById("text");
var tj = document.getElementById("tj");
var list = document.getElementById("list");

tj.onclick = function(){
    
    console.log(text.value);
    var txt = text.value;
   
    list.innerHTML = list.innerHTML + "<li>" + txt + "</li>";



};

    </script>



</body>
</html>