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[JavaScript] jQuery通过removeClass方法删除指定元素的指定Class →→→→→进入此内容的聊天室

来自 , 2020-10-26, 写在 JavaScript, 查看 176 次.
URL http://www.code666.cn/view/b20fa060
  1. <!DOCTYPE html>
  2. <html>
  3. <head>
  4. <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js">
  5. </script>
  6. <script>
  7. $(document).ready(function(){
  8.   $("button").click(function(){
  9.     $("h1,h2,p").removeClass("blue");
  10.   });
  11. });
  12. </script>
  13. <style type="text/css">
  14. .important
  15. {
  16. font-weight:bold;
  17. font-size:xx-large;
  18. }
  19. .blue
  20. {
  21. color:blue;
  22. }
  23. </style>
  24. </head>
  25. <body>
  26.  
  27. <h1 class="blue">Heading 1</h1>
  28. <h2 class="blue">Heading 2</h2>
  29. <p class="blue">This is a paragraph.</p>
  30. <p>This is another paragraph.</p>
  31. <br>
  32. <button>Remove class from elements</button>
  33. </body>
  34. </html>
  35.  
  36. //javascript/8117

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