jQuery: How to detect a textbox's content has changed using jQuery

Last update on August 19 2022 21:50:45 (UTC/GMT +8 hours)

jQuery Practical exercise Part - I : Exercise-28

How to detect a textbox's content has changed using jQuery?

Sample Solution:

HTML Code :


<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery-git.js"></script>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>How to detect a textbox's content has changed using jQuery</title>
</head>
<body>
<form action="demo_form.asp">
First name: <input type="text" id="name1" name="fname"><br>
Last name: <input type="text" id="name2" name="lname"><br>
<input type="submit" value="Submit">
</form>
</body>
</html>

JavaScript Code:

$('#name1').on('input', function() {
console.log('New First name added');
});

See the Pen jquery-practical-exercise-28 by w3resource (@w3resource) on CodePen.

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