HTML DOM id Property
 Complete Submit Object Reference
Definition and Usage
The id property sets or returns the id of the submit button.
Syntax
Example
The following example gets the id of the submit button:
<html>
<head>
<script type="text/javascript">
function alertId()
{
alert(document.getElementById("submit1").id)
}
</script>
</head>
<body>
<form>
<input type="submit" id="submit1" onclick="alertId()" />
</form>
</body>
</html>
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Try-It-Yourself Demos
Alert id,
type, and value of a submit button + disable button
Complete Submit Object Reference
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