[JS] prototype

prototype

https://medium.com/@bluesh55/javascript-prototype-%EC%9D%B4%ED%95%B4%ED%95%98%EA%B8%B0-f8e67c286b67

다른 곳

https://poiemaweb.com/js-prototype

http://blog.majestybbong.org/2017/12/11/prototype%EC%97%90-%EB%8C%80%ED%95%B4-%EC%95%8C%EC%95%84%EB%B3%B4%EC%9E%90/