JavaScript类型检测, typeof操作符与constructor属性的异同
*#type.jsfunctionPerson(name,age){this.name=name;this.age=age;}vard={an:'object'};vara=['apple','banana'];varf=function(){};vars='David';varn=33;varb=...
*#type.jsfunctionPerson(name,age){this.name=name;this.age=age;}vard={an:'object'};vara=['apple','banana'];varf=function(){};vars='David';varn=33;varb=...