CSS and JS question

Question

How can i use JS variables with CSS values?
e.g:

CSS:
color: #090909;
JS:
var someColor;

I want to be able to assign the CSS color though JS

Answer 1

https://www.sololearn.com/learn/JavaScript/2754/

Answer 2

Look at the lessons in JS, your answer lies there....

Answer 3

Here a sample to change body css through js:
var body = document.body;
body.style.backgroundColor = color;

https://code.sololearn.com/Wk2i6r9kgwe2/?ref=app