How to disable or enable a form element using jQuery
Topic: JavaScript / jQueryPrev|Next
Answer: Use the jQuery prop() method
You can simply use the jQuery prop() method to disable or enable form elements or controls like <input>, <select>, <textarea>, etc. dynamically using jQuery.
The prop() method require jQuery 1.6 and above. Let's see how this works:
Example
Try this code »<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Disable or Enable an Input with jQuery</title>
<style>
label {
display: block;
margin: 10px 0;
}
</style>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<script>
$(document).ready(function(){
$('form input[type="submit"]').prop("disabled", true);
$(".agree").click(function(){
if($(this).prop("checked") == true){
$('form input[type="submit"]').prop("disabled", false);
}
else if($(this).prop("checked") == false){
$('form input[type="submit"]').prop("disabled", true);
}
});
});
</script>
</head>
<body>
<form>
<label>Name: <input type="text" name="username"></label>
<label>Email: <input type="email" name="email"></label>
<label><input type="checkbox" class="agree"> I agree to terms and conditions.</label>
<input type="submit" value="Submit">
</form>
</body>
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