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Download: Download snippet as textarea-limit-counter.js.
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<!DOCTYPE html>

<head>

	<title>help!?</title>
	
	<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script>
	<script type="text/javascript">
	
		function limitText(limitField, limitCount, limitNum) 
		{
			if (limitField.value.length > limitNum) 
			{
				limitField.value = limitField.value.substring(0, limitNum);
			} 
				else 
			{
				limitCount.value = limitNum - limitField.value.length;
			}
		}
	</script>
	
</head>

<body>

	<form name="myform">
	
		<textarea name="limitedtextarea" 
				  onKeyDown="limitText(this.form.limitedtextarea,this.form.countdown,250);"
				  onKeyUp="limitText(this.form.limitedtextarea,this.form.countdown,250);" 
				  rows="3" cols="27">
		</textarea><br>
																					
        <p>Remaining character count:
			<input readonly type="text" name="countdown" size="3" value="250" readonly="readonly" id="remain">
		</p>
		
	</form>
	
</body>
</html>

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