HTML | onsubmit Event Attribute

The onsubmit event attribute in HTML is triggered when a form is submitted.
Supported Tags:

<form>

Syntax:

<form onsubmit = "script">

Attribute Value: This attribute contains single value script which works when onsubmit event call.
Note: This attribute can only be used within form tag.
Example:

html

<!DOCTYPE html >
<html>
    <head>
        <title>onsubmit event attribute</title>
        <style>
            body {
                text-align:center;
            }
            h1 {
                color:green;
            }
        </style>
        <script>
            function Geeks() {
                alert("Form submitted successfully.") ;
            }
        </script >
    </head>
    <body>
        <h1>GeeksforGeeks</h1>
        <h2>onsubmit event attribute</h2>
        <form onsubmit = "Geeks()">
            First Name:<input type = "text" value = "" /><br/>
            Last Name:<input type = "text" value = "" /><br/>
            <input type = "submit" value = "Submit" />
        </form>
    </body>
</html>                   