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提交事件会在用户点击提交按钮（ <input type="submit"/> 元素在提交表单时触发。
当提交表单时运行onsubmit:
<!DOCTYPE html>
<html>
<head>
<title>HTML onsubmit 事件属性的使用(基础教程网 oldtoolbag.com)</>title>
</>head>
<body>
<p>提交表单后，将弹出一个提示框.</>p>
<form action="demo-form.php" onsubmit="myFunction()">
Enter Name: <input type="text" name="fname">
<input type="submit" value="Submit">
</form>
<script>
function myFunction() {
alert("Form submitted");
}
</script>
</body>
</html>Test and see ‹/›IEFirefoxOperaChromeSafari
All major browsers support the onsubmit event attribute
The onsubmit attribute is triggered when a form is submitted.
The onsubmit attribute is only applicable to <form> elements.
No difference.
<form onsubmit="script">
| Value | Description |
|---|---|
| script | Specifies the script to be executed when the onsubmit event is triggered. |