源代碼
點擊運行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>教程</title> </head> <body> <form name="Form1"></form> <form name="Form2"></form> <form></form> <p>表單數目: <script> document.write(document.forms.length); </script></p> </body> </html>
運行結果