Category Archives: JQUERY length validation check

JQUERY length(empty) check -Form validation

This tutorial will show you how to validate the form . It simply checks whether the form elements like text, radio button i.e. the input type of the form are empty or not.
Step1: include the jquery file into your file
<script src=”js/jquery.js” type=”text/javascript”></script>

Step 2:Create a style(css) class .error in the header section

How the Validation is done:

Here validation is done on blur event. On leaving the textbox if the textbox is empty then the class error is called.

Before length check:

After:(if left empty)

Here Goes the actual code:

<script type=”text/javascript” src=”js/jquery.js”></script>

$(‘:input’).blur(function() {
if ($(this).val().length == 0) {
$(‘:input’).focus(function() {

<input type=”text” name=”name”>
<input type=”submit” name=”submit” value=”submit”>