當提交表單時，發送表單數據到名為 "demo_form.html" 的文件（處理輸入）：
<form action="demo_form.html" method="get">
First name: <input type="text" name="fname"><br>
Last name: <input type="text" name="lname"><br>
<input type="submit" value="提交">
</form>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鳥教程(runoob.com)</title>
</head>
<body>
<form action="demo-form.php">
First name: <input type="text" name="FirstName" value="Mickey"><br>
Last name: <input type="text" name="LastName" value="Mouse"><br>
<input type="submit" value="提交">
</form>
<p>點擊"提交"按鈕，表單數據將被發送到服務器上的“demo-form.php”。</p>
</body>
</html>