Count textarea character

by Ying Chor Ding

HTML

<span id="remain">10</span> characters remaining
<br />
<textarea></textarea>

JavaScript

var maxchars = 10;

$('textarea').keyup(function () {
    var tlength = $(this).val().length;
    $(this).val($(this).val().substring(0, maxchars));
    var tlength = $(this).val().length;
    remain = maxchars - parseInt(tlength);
    $('#remain').text(remain);
});