How to add a copyright symbol in an html document

Question

HTML

Answer 1

1- & #169;
2- & copy;
3- <footer>& copy; Copyright 2018 HTML.am</footer>
NOTE: without space after $ sign

Answer 2

brijnandan bansal vote? upvote or downvote?

Answer 3

Entity: & copy;
Dec: & #169;
Hex: & #xA9;

Example:
<span>& copy; 2018 by me</span>

Answer 4

&copy;

Answer 5

vote plz