How to implement javascript with html and css?

Question

I have learnt about html and learning cs...

Answer 1

//creating html element "div"

var p=document.createElement("div")

//appending that element to body tag of document

document.body.appendChild(p);

Applying css to div element

p.style.height="300px";
p.style.width="200px":
p.style.backgroundColor="blue";

Go through JavaScript course to understand all of this

Answer 2

Ok thanks abhay👍