Textarea MaxLength Enforced

gistfile1.js

$(document).ready(function() {  
    $("textarea[maxlength]").bind("keyup input paste", function() {
        var limit = parseInt($(this).attr('maxlength'));  
        var text = $(this).val();  
        var chars = text.length;  
  
        if(chars > limit){  
            var new_text = text.substr(0, limit);   
            $(this).val(new_text);  
        }  
    });  
});