isKindOfClass 和 isMemberOfClass 区别

isKindOfClass

return YES if the receiver is an instance of the specified class or an instance of any class that inherits from the specified class.

isMemberOfClass

return YES if the receiver is an instance of the specified class.

参考:

• http://stackoverflow.com/a/3653947/3355097
• https://developer.apple.com/library/mac/documentation/Cocoa/Reference/Foundation/Protocols/NSObject_Protocol/index.html