Syntax HTML

Question

How to make syntax textarea on HTML/CSS/JS?
Как сделать textarea с подсветкой?

Answer 1

[HTML]
https://www.w3schools.com/tags/tag_textarea.asp

[JavaScript]
https://www.w3schools.com/jsref/dom_obj_textarea.asp

[TextArea CSS tricks]
https://css-tricks.com/textarea-tricks/
https://css-tricks.com/creating-a-nice-textarea/

Hth, cmiiw