what kind of icon names like "& | < | > | " | × etc". I have searched Google but did not find it wheth

Answer 1

Here is the full list Avirur Rahman
https://www.w3schools.com/html/html_symbols.asp

Answer 2

Those are HTML special symbols. Since HTML uses some symbols like <>, there's a need to escape them if you want them to be printed out.

Answer 3

https://www.freeformatter.com/html-entities.html
https://brajeshwar.github.io/entities/

Answer 4

do you know everything can tell me, I only know & times; and & equiv; to make a symbol😄.