简单教程
提交运行
代码编辑器:
<!DOCTYPE html> <meta charset="utf-8"> <link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/> <form id="form1"> <button id="button1" type="button">点我!</button> </form> <p>含有按钮的表单的ID: <script> document.write(document.getElementById("button1").form.id); </script></p> <footer>简单教程,简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果: