Javascript基础一（apply, call, arguments, prototype）
//javascript: apply, call, arguments的概念var Class = function(){var klass = function(){//apply: http://www.cnblogs.com/fighting_cp/archive/2010/09/20/1831844.html//arguments: http://www.cnblogs.com/Fskjb/archive/2011/10/27/2227111.htmlthis.init.apply(this,arguments);};klass.prototype.init = function(){};//给"类库"添加方法klass.fn = klass.prototype;klass.extend = function(obj){var extended = obj.extended;for(var i in obj){//给类添加属性klass[i] = obj[i];//给实例添加属性//klass.fn[i] = obj[i];}if(extended)extended(klass);}return klass;}var Person = new Class();Person.prototype.init = function(){alert(arguments[0] + arguments[1]);this.breath();};//给类添加函数Person.eat = function(id){alert("find");}Person.fn = Person.prototype;Person.fn.breath = function(){alert("breath");}Person.extend({run: function(){alert("run");}});var person = new Person(1,2);person.run();?