Below is a html code which creates a textarea and a span tag for displaying total remaining character to reach maximum length of textarea.
<html>
<head><title>Character Counting remaining example in jquery</title></head>
<body>
<textarea type="textarea" id="textarea_id" maxlength=120></textarea><br />
<html>
<head><title>Character Counting remaining example in jquery</title></head>
<body>
<textarea type="textarea" id="textarea_id" maxlength=120></textarea><br />