태그 클라우드
- addEventListener
- document.getElementById();
- event.preventDefault();
- H
- https://velog.io/@goggling/javascript-%EC%97%B0%EC%82%B0%EC%9E%90Operator-%EC%9D%B4%ED%95%B4%ED%95%98%EA%B8%B0
- https://www.freecodecamp.org/korean/news/var-let-constyi-caijeomeun/
- https://www.howdy-mj.me/javascript/var-let-const
- https://www.snugarchive.com/blog/jdk-installation/
- querySelector
- 디