//判断cookie fCheckCookie(); //HTML5初始化 fHtml5Tag();if(!Function.prototype.bind){ Function.prototype.bind = function(){ if(typeof this !== 'function'){       throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');     } var _this = this; var obj = arguments[0]; var ags = Array.prototype.slice.call(arguments,1); return function(){ _this.apply(obj,ags); }; }; }