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Introduction

Here I will explain how to set maximum length of textarea in
jQuery or check maximum length of textarea in jQuery.
                                                                                   
Description:
  
In previous articles I explained jQuery disable right click on images, jQuery expand textbox on focus ,
jQuery slideup slidedown slidetoggle example, jQuery fadein or fadeout example, jQuery create rounded corners for textbox, jQuery show time in webpage and many articles relating to JQuery. Now I will explain how to check maxmimum length of textarea in jQuery.

To implement this we need to write the code like as shown below


<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jQuery Check count of textarea</title>
<script type="text/javascript" src="http://code.jquery.com/jquery-1.9.1.js">
</script>
<script type="text/javascript">
$(function() {
$('#btnCheck').click(function() {
var txt = $('#txtdesc').val();
if (txt.length > 50) {
alert('Please enter less than 50 characters')
}
});
})
</script>
</head>
<body>
<div>
<table>
<tr>
<td>
<b>Enter Text:</b>
</td>
<td>
<textarea cols="20" id="txtdesc" rows="2" ></textarea>
</td>
</tr>
<tr>
<td></td>
<td> <input type="button" id="btnCheck" value="Check Length" /> </td>
</tr>
</table>
</div>
</body>
</html>

Demo

Enter Text:


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2 comments :

Anonymous said...

great man!!!!!!

Suresh Sundar said...

This is very basic right?, instead of if this we can achieve throw textbox keypress event that would be professional manner, :) suggestion

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