What's the difference between document.write and console.log. I am confused

Question

Javascript

Answer 1

document.write or access to DOM elements (add nodes, update attributes/content)...

but console.log is usefull for debugging ;)

Answer 2

-document.write:
It's a function to show some output (including text and html elements) on the html page (It's clear everything on the page before doing this).

-console.log:
It's a function to show some output (only text) on the console's window.

Run this example and you will understand the difference better:
https://code.sololearn.com/WsUJl31RoADt/?ref=app

Answer 3

document.write output to html document
console.log output to browser console (developpers tools)

Answer 4

So which is needed in building a website?