disable form submit javascript code example

Example 1: js stop form submit

<button type="submit" onclick="submitButtonClick(event)">Submit</button>
<script>
function submitButtonClick(event) {
		event.preventDefault();
		//other stuff you want to do instead...
} 
</script>

Example 2: javascript prevent form submit

<form name="foo" onsubmit="return false">

Example 3: Disable Multiple Form Submits with Vanilla JavaScript

var form = document.getElementById('formID');
var submitButton = document.getElementById('submitID');

form.addEventListener('submit', function() {

   // Disable the submit button
   submitButton.setAttribute('disabled', 'disabled');

   // Change the "Submit" text
   submitButton.value = 'Please wait...';
			
}, false);