How to make a variable in HTML

Answer 1

HTML does not have variables
//Its a markup language

Answer 2

<p><strong>HTML has no variables.</strong></p>

Answer 3

HTML is not a programming language so it has no variables

Answer 4

HTML has no variables, maybe you're referring to CSS variables. If that's the case please refer here:
https://www.w3schools.com/css/css3_variables.asp

Answer 5

HTML has no variables.Its not a programming language.