Textarea Character Count (jQuery)
// controls character input/counter
$('textarea#body').keyup(function() {
var charLength = $(this).val().length;
// Displays count
$('span#charCount').html(charLength + ' of 250 characters used');
// Alerts when 250 characters is reached
if($(this).val().length > 250)
$('span#charCount').html('<strong>You may only have up to 250 characters.</strong>');
});
Added to JS by Mark Evans