js深入研究之扩展类,克隆对象,混合类(自定义的extend函数,clone函数,与augment...
1.类扩展/*EditInPlaceField类*/*扩展函数*/function extend(subClass,superClass){ var F=function(){};F.prototype=superClass.prototype;subClass.prototype=new F();subClass.prototype.constructor=subClass;subClass.superclass=...