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JQuery 常用方法
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JQuery 常用方法

  1. <!DOCTYPE html>
  2. <html lang="en">
  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.     <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
  8.     <title>Document</title>
  9. </head>
  10. <body>
  11.     <button class="btn1">点我替换ul的值</button>
  12.     <button class="btn2">点我更改第一个ul的样式</button>
  14.     <ul class="ul1">
  15.         <li>点我变色 1</li>
  16.         <li>点我变色 2</li>
  17.         <li>点我变色 3</li>
  18.     </ul>
  19.     <ul class="ul2">
  20.         <li>点我变色 1</li>
  21.         <li>点我变色 2</li>
  22.         <li>点我变色 3</li>
  23.     </ul>
  24.     <script>
  25.        //文本操作
  26.         $('.btn1').click(function(){
  27.             $('.ul1').text(function(){
  28.                 return '这是text 替换第一个ul的值'
  29.             });
  30.         });
  32.         //样式属性操作
  33.         $('.btn2').click(function(){
  34.             $('.ul1').css('color','blue');
  35.         });
  37.         $('.ul1 > li, .ul2 > li').click(function(){
  38.             $(this).css('color','red');
  39.         });
  40.     </script>
  41. </body>
  42. </html>
Correcting teacher：天蓬老师天蓬老师

Correction status：qualified

Teacher's comments：
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