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[JavaScript] JavaScript获取按钮所在form的id →→→→→进入此内容的聊天室

来自 , 2020-11-30, 写在 JavaScript, 查看 132 次.
URL http://www.code666.cn/view/8f4d94fa
  1. <!DOCTYPE html>
  2. <html>
  3. <body>
  4. <h1>www.sharejs.com</h1>
  5. <form id="form1">
  6. <button id="button1" type="button">Click me!</button>
  7. </form>
  8.  
  9. <p>The id of the form containing the button is:
  10. <script>
  11. document.write(document.getElementById("button1").form.id);
  12. </script></p>
  13.  
  14. </body>
  15. </html>
  16.  
  17. //javascript/7926

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