jquery.maxlength.min.js 1.19 KB
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/*
 * jQuery Maxlength
 * http://pioul.fr/jquery-maxlength
 *
 * Copyright 2013, Philippe Masset
 * Dual licensed under the MIT or GPL Version 2 licenses
 */
(function(a){a.fn.maxlength=function(b){var c=a(this);return c.each(function(){b=a.extend({},{counterContainer:!1,text:"%left characters left"},b);var c=a(this),d={options:b,field:c,counter:a('<div class="maxlength"></div>'),maxLength:parseInt(c.attr("maxlength"),10),lastLength:null,updateCounter:function(){var b=this.field.val().length,c=this.options.text.replace(/\B%(length|maxlength|left)\b/g,a.proxy(function(a,c){return"length"==c?b:"maxlength"==c?this.maxLength:this.maxLength-b},this));this.counter.html(c),b!=this.lastLength&&this.updateLength(b)},updateLength:function(a){this.field.trigger("update.maxlength",[this.field,this.lastLength,a,this.maxLength,this.maxLength-a]),this.lastLength=a}};d.maxLength&&(d.field.data("maxlength",d).bind({"keyup change":function(){a(this).data("maxlength").updateCounter()},"cut paste drop":function(){setTimeout(a.proxy(function(){a(this).data("maxlength").updateCounter()},this),1)}}),b.counterContainer?b.counterContainer.append(d.counter):d.field.after(d.counter),d.updateCounter())}),c}})(jQuery);