jQuery: Restrict "number"-only input for textboxes including decimal points

Last update on July 22 2025 12:39:10 (UTC/GMT +8 hours)

jQuery Practical exercise Part - I : Exercise-39

Restrict "number"-only input for textboxes including decimal points.

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>Restrict number only input for textboxes including decimal points.</title>
 </head>
 <body>
 <p>Input the Amount: 
 <input type="text" class="numbers" value="" /></p>
 </body>
</html>

JavaScript Code:

$('.numbers').keyup(function () { 
    this.value = this.value.replace(/[^0-9\.]/g,'');
});

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See the Pen jquery-practical-exercise-39 by w3resource (@w3resource) on CodePen.

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