Write a value from my index.js page to index.html

Question

Based on a defined object. How can i write a value to a new <div> at the bottom of my index.html page?

Answer 1

This creates a new division.
let div = document.createElement("div");
document.body.appendChild(div);

Answer 2

Maybe, use a function and call it in the <div>

Answer 3

I think i have to create a DOM Element since its from my .js page