diff --git "a/\345\217\266\345\212\237\347\205\247/20241121 JS\346\227\245\346\234\237\345\207\275\346\225\260\344\270\216\350\212\202\347\202\271/08.2-\347\202\271\345\207\273\345\205\263\351\227\255.html" "b/\345\217\266\345\212\237\347\205\247/20241121 JS\346\227\245\346\234\237\345\207\275\346\225\260\344\270\216\350\212\202\347\202\271/08.2-\347\202\271\345\207\273\345\205\263\351\227\255.html"
new file mode 100644
index 0000000000000000000000000000000000000000..4d5162a30d3f0a733c85c8e54538f5e6a10b3cb3
--- /dev/null
+++ "b/\345\217\266\345\212\237\347\205\247/20241121 JS\346\227\245\346\234\237\345\207\275\346\225\260\344\270\216\350\212\202\347\202\271/08.2-\347\202\271\345\207\273\345\205\263\351\227\255.html"	
@@ -0,0 +1,103 @@
+<!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>
+    .box {
+      position: relative;
+      width: 1000px;
+      height: 200px;
+      background-color: pink;
+      margin: 100px auto;
+      text-align: center;
+      font-size: 50px;
+      line-height: 200px;
+      font-weight: 700;
+    }
+
+    .box1 {
+      position: absolute;
+      right: 20px;
+      top: 10px;
+      width: 20px;
+      height: 20px;
+      background-color: skyblue;
+      text-align: center;
+      line-height: 20px;
+      font-size: 16px;
+      cursor: pointer;
+    }
+  </style>
+</head>
+
+<body>
+
+  <div class="box">
+    我是广告1
+    <div class="box1">X</div>
+  </div>
+
+  <div class="box">
+    我是广告2
+    <div class="box1">X</div>
+  </div>
+
+  <div class="box">
+    我是广告3
+    <div class="box1">X</div>
+  </div>
+
+  <script>
+    // 关闭广告挑战
+    // 挑战1：关闭广告1
+
+    const allDiv = document.querySelectorAll('.box');
+    // console.log(allDiv);
+    const x = allDiv[0].firstElementChild;
+    // console.log(x)
+    x.addEventListener('click', function () {
+      allDiv[0].style.display = 'none';
+    });
+
+    // 挑战2：获取三个广告
+    const body = document.body
+    // 第一个广告
+    const firstDiv = body.firstElementChild; // 获取body对象
+
+    firstDiv.firstElementChild.addEventListener('click', function () {
+      firstDiv.style.display = 'none';
+    })
+
+    // 第二个广告
+    const secondDiv = body.children[1];
+    secondDiv.firstElementChild.addEventListener('click', function () {
+      secondDiv.style.display = 'none';
+    })
+
+    // 第三个广告
+    const thirdDiv = body.children[2];
+    thirdDiv.firstElementChild.addEventListener('click', function () {
+      thirdDiv.style.display = "none";
+    })
+
+    // 挑战3：如何优化
+
+    const body1 = document.body;
+
+    // 遍历每个广告块
+    for (let i = 0; i < body1.children.length; i++) {
+      const adDiv = body1.children[i];
+      // 为每个广告块的第一个子元素添加点击事件监听器
+      adDiv.firstElementChild.addEventListener('click', function () {
+        adDiv.style.display = 'none';
+      });
+    }
+
+  </script>
+</body>
+
+</html>
\ No newline at end of file
diff --git "a/\345\217\266\345\212\237\347\205\247/20241121 JS\346\227\245\346\234\237\345\207\275\346\225\260\344\270\216\350\212\202\347\202\271/css/index.css" "b/\345\217\266\345\212\237\347\205\247/20241121 JS\346\227\245\346\234\237\345\207\275\346\225\260\344\270\216\350\212\202\347\202\271/css/index.css"
new file mode 100644
index 0000000000000000000000000000000000000000..bf537709ea7ef92a9f3564533646f812e737c65b
--- /dev/null
+++ "b/\345\217\266\345\212\237\347\205\247/20241121 JS\346\227\245\346\234\237\345\207\275\346\225\260\344\270\216\350\212\202\347\202\271/css/index.css"	
@@ -0,0 +1,71 @@
+* {
+  margin: 0;
+  padding: 0;
+}
+
+a {
+  text-decoration: none;
+  color:#721c24;
+}
+h1 {
+  text-align: center;
+  color:#333;
+  margin: 20px 0;
+ 
+}
+table {
+  margin:0 auto;
+  width: 800px;
+  border-collapse: collapse;
+  color:#004085;
+}
+th {
+  padding: 10px;
+  background: #cfe5ff;
+  
+  font-size: 20px;
+  font-weight: 400;
+}
+td,th {
+  border:1px solid #b8daff;
+}
+td {
+  padding:10px;
+  color:#666;
+  text-align: center;
+  font-size: 16px;
+}
+tbody tr {
+  background: #fff;
+}
+tbody tr:hover {
+  background: #e1ecf8;
+}
+.info {
+  width: 900px;
+  margin: 50px auto;
+  text-align: center;
+}
+.info  input, .info select {
+  width: 80px;
+  height: 27px;
+  outline: none;
+  border-radius: 5px;
+  border:1px solid #b8daff;
+  padding-left: 5px;
+  box-sizing: border-box;
+  margin-right: 15px;
+}
+.info button {
+  width: 60px;
+  height: 27px;
+  background-color: #004085;
+  outline: none;
+  border: 0;
+  color: #fff;
+  cursor: pointer;
+  border-radius: 5px;
+}
+.info .age {
+  width: 50px;
+}
\ No newline at end of file
diff --git "a/\345\217\266\345\212\237\347\205\247/20241121 JS\346\227\245\346\234\237\345\207\275\346\225\260\344\270\216\350\212\202\347\202\271/\345\255\246\347\224\237\344\277\241\346\201\257\350\241\250\346\241\210\344\276\213.html" "b/\345\217\266\345\212\237\347\205\247/20241121 JS\346\227\245\346\234\237\345\207\275\346\225\260\344\270\216\350\212\202\347\202\271/\345\255\246\347\224\237\344\277\241\346\201\257\350\241\250\346\241\210\344\276\213.html"
new file mode 100644
index 0000000000000000000000000000000000000000..aee9fb1d07684f2e62678d87c0f3d7ede3c84317
--- /dev/null
+++ "b/\345\217\266\345\212\237\347\205\247/20241121 JS\346\227\245\346\234\237\345\207\275\346\225\260\344\270\216\350\212\202\347\202\271/\345\255\246\347\224\237\344\277\241\346\201\257\350\241\250\346\241\210\344\276\213.html"	
@@ -0,0 +1,140 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+  <meta http-equiv="X-UA-Compatible" content="ie=edge" />
+  <title>学生信息管理</title>
+  <link rel="stylesheet" href="css/index.css" />
+</head>
+
+<body>
+  <h1>新增学员</h1>
+  <form action='http://www.baidu.com/s?' class="info" autocomplete="off">
+    姓名：<input type="text" class="uname" name="uname" />
+    年龄：<input type="text" class="age" name="age" />
+    性别:
+    <select name="gender" class="gender">
+      <option value="男">男</option>
+      <option value="女">女</option>
+    </select>
+    薪资：<input type="text" class="salary" name="salary" />
+    就业城市：<select name="city" class="city">
+      <option value="北京">北京</option>
+      <option value="上海">上海</option>
+      <option value="广州">广州</option>
+      <option value="深圳">深圳</option>
+      <option value="曹县">曹县</option>
+    </select>
+    <button class="add">录入</button>
+
+
+  </form>
+
+
+
+  <h1>就业榜</h1>
+  <table>
+    <thead>
+      <tr>
+        <th>学号</th>
+        <th>姓名</th>
+        <th>年龄</th>
+        <th>性别</th>
+        <th>薪资</th>
+        <th>就业城市</th>
+        <th>操作</th>
+      </tr>
+    </thead>
+    <tbody>
+      <!-- 
+        <tr>
+          <td>1001</td>
+          <td>欧阳霸天</td>
+          <td>19</td>
+          <td>男</td>
+          <td>15000</td>
+          <td>上海</td>
+          <td>
+            <a href="javascript:">删除</a>
+          </td>
+        </tr> 
+        -->
+    </tbody>
+  </table>
+  <script>
+    let arr = [] // 定义一个数组
+
+    // 1. 获取表单中的值
+    const form = document.querySelector('form');
+    const addButton = document.querySelector('.add');
+    const name = document.querySelector('.uname');
+    const age = document.querySelector('.age');
+    const gender = document.querySelector('.gender');
+    const salary = document.querySelector('.salary');
+    const city = document.querySelector('.city');
+
+    // 2. 将获取的值放进一个数组中存起来
+
+    addButton.addEventListener('click', function (e) {
+
+      e.preventDefault(); // 阻止自动提交
+
+      if (name.value == '' || age.value == '' || salary.value == '') {
+        alert(`有内容为空`);
+      } else {
+        const user = {
+          class_id: arr.length + 1,
+          Name: name.value,
+          Age: age.value,
+          Gender: gender.value,
+          Salary: salary.value,
+          City: city.value
+        }
+
+        arr.push(user); // 将对象添加进数组
+
+        form.reset(); // 重置表单
+
+        // console.log(arr);
+
+
+        // 3. 再将获取的值渲染在页面上
+        const tbody = document.querySelector('tbody');
+
+        tbody.innerHTML = '' //确保tbody每次都是最新的
+
+        for (let index = 0; index < arr.length; index++) {
+
+          const tr = document.createElement('tr'); // 获取对象
+
+          tr.innerHTML = `
+          <td>${arr[index].class_id}</td>
+          <td>${arr[index].Name}</td>
+          <td>${arr[index].Age}</td>
+          <td>${arr[index].Gender}</td>
+          <td>${arr[index].Salary}</td>
+          <td>${arr[index].City}</td>
+          <td>
+            <a href="javascript:" class="delete">删除</a>
+          </td>
+      `
+          tbody.appendChild(tr);
+
+          // 给每行的删除键添加点击事件
+          tr.querySelector('.delete').addEventListener('click', function () {
+            arr.splice(index, 1);
+            tbody.removeChild(tr)
+
+          })
+
+        }
+      }
+
+    })
+  </script>
+
+</body>
+
+</html>
\ No newline at end of file
