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留言板（乞丐版）
PHui
Original
395 people have browsed it
  1. <!DOCTYPE html>
  2. <html lang="zh-CN">
  3.   <head>
  4.     <meta charset="UTF-8" />
  5.     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  6.     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  7.     <title>todoList: 留言板</title>
  8.     <link rel="stylesheet" href="css/demo1.css" />
  9.   </head>
  10.   <body>
  11.     <header>
  12.       <div class="head">
  13.         <div class="logo">
  14.           <img
  15.             src="http://liuyan.people.com.cn/img/logo2.7914a084.png"
  16.             alt=""
  17.           />
  18.         </div>
  19.       </div>
  20.     </header>
  21.     <main>
  22.       <textarea
  23.         type="text"
  24.         onkeydown="insertComment(this)"
  25.         placeholder="请输入留言"
  26.         autofocus
  27.         cols="100"
  28.         rows="8"
  29.       ></textarea>
  30.       <div class="downLine"></div>
  31.       <ul class="list"></ul>
  32.     </main>
  33.     <script>
  34.       const insertComment = function (ele) {
  35.         if (event.key === "Enter") {
  36.           if (ele.value.length === 0) {
  37.             alert("留言不能为空");
  38.             ele.focus();
  39.             return false;
  40.           }
  41.           const ul = document.querySelector(".list");
  42.           ele.value += `<button onclick ="del(this.parentNode)">删除</button>`;
  43.           ul.insertAdjacentHTML("afterbegin", `<li>${ele.value}<hr></li>`);
  44.           ele.value = null;
  45.         }
  46.       };
  47.       const del = function (ele) {
  48.         return confirm("是否删除？") ? (ele.outerHTML = null) : false;
  49.       };
  50.     </script>
  51.   </body>
  52. </html>

Correcting teacher：PHPzPHPz

Correction status：qualified

Teacher's comments：做的很不错, 乞丐版是谦虚了
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