jquery.limitChars.min.js

/**
 * jQuery Textarea Character Limit
 * Copyright (c) 2013 Kevin Doyle and Patrick Nelson
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 **/

(function(e){e.fn.limitChars=function(t){var n={maxChars:150,showRemaining:true,charDisplay:null,remainingFormat:"Characters Remaining: {REMAINING}/{MAX}"};t=e.extend(n,t);return this.each(function(){var n=t.charDisplay;var r=function(){var r=e(this),i=r.val(),s=i.length,o=t.maxChars-s;if(o<=0){r.val(i.substr(0,t.maxChars));o=0}if(t.showRemaining){if(!n){var u="limitCharsStatus"+parseInt(Math.random()*99999);e(this).after("<br /><span class='limitCharsStatus' id='"+u+"'></span>");n="#"+u}var a=t.remainingFormat;a=a.replace("{REMAINING}",o);a=a.replace("{MAX}",t.maxChars);e(n).html(a)}};r.call(this);e(this).bind("keyup keydown change",r)})}})(jQuery);