What is UTF-8 in HTML 5

Question

what is the meaning of UTF-8 in HTML 5....
how it is used in programming

Answer 1

Hello! this is here ↓↓↓ :)
https://www.w3schools.com/tags/att_meta_charset.asp

Answer 2

https://code.sololearn.com/W6nq14Op22x8/?ref=app

Answer 3

CODE designed to encode all the characters in the universal repertoire of coded characters

Answer 4

@james thanks