知道按钮的id向获取按钮放在哪一个表单内,可以通过下面的JS代码获取
<!DOCTYPE html> <html> <body> <h1>www.75271.com</h1> <form id="form1"> <button id="button1" type="button">Click me!</button> </form> <p>The id of the form containing the button is: <script> document.write(document.getElementById("button1").form.id); </script></p> </body> </html>