摘要： String.prototype.self=function(){return this;}var ss=new String("ss");var sss="sss";alert(ss.self()==ss.self());alert(sss.self()==sss.self()); 阅读全文

摘要： alert(typeof Function.prototype); //function alert(Object.prototype instanceof Object); //false alert(Object.prototype instanceof Function); //true; alert(Function.prototype instanceof Fu... 阅读全文