JS中建構函式與普通函式的區別: https://www.cnblogs.com/cindy79/p/7245566.html

JS建構函式、原型和例項的關係: https://blog.csdn.net/u012443286/article/details/78823955

JavaScript建構函式及原型物件: https://blog.csdn.net/a153375250/article/details/51083245