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Snippet Name: Count Textbox Chars

Description: Count the number of characters remaining in a textbox.

Comment: (none)

Author: CoderZone
Language: JAVASCRIPT
Highlight Mode: JAVASCRIPT
Last Modified: February 27th, 2009

 
<script type="text/javascript">
function textCounter(textarea, counterID, maxLen) {
cnt = document.getElementById(counterID);
if (textarea.value.length > maxLen){
textarea.value = textarea.value.substring(0,maxLen);
}
cnt.innerHTML = maxLen - textarea.value.length;
}
</script>
 
 
<form action="whatever.php">
 
<textarea name="text_area" cols="50" rows="5" 
onKeyUp="textCounter(this,’count_display’,3500);" >
onBlur="textCounter(this,’count_display’,3500);" >
 
 
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