!DOCTYPE html
tag가 아니라 declaration임.
html lang="en"
-. lang: language
-. en: english
meta 태그
meta charset="UTF-8"
출처:
https://www.w3schools.com/tags/tag_doctype.asp
https://www.w3schools.com/tags/tag_html.asp
https://www.w3schools.com/tags/tag_meta.asp
https://www.codeit.kr/community/threads/18710
Learning Coding