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What is onsubmit event in JavaScript?
The onsubmit event is an event that occurs when you try to submit a form. You can put your form validation against this event type. The following example shows how to use onsubmit. Here we are calling a validate() function before submitting a form data to the web server. If validate() function returns true, the form will be submitted, otherwise, it'll not submit the data.
Example
The following example is a code snippet showing the usage of the onsubmit event −
<html>
<head>
<script>
<!--
function validation() {
all validation goes here
.........
return either true or false
}
//-->
</script>
</head>
<body>
<form method = "POST" action = "t.cgi" onsubmit = "return validate()">
.......
<input type = "submit" value = "Submit" />
</form>
</body>
</html>
Updated on: 2020-06-19T11:19:19+05:30
4K+ Views
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