why wont my game run on a live sever?

Question

I just made a simple game on visual studio code, where a player has to chase the square. But im not sure why its not running on the live sever ? I am very new to java script and programming in general so please teach me like im a 5 year old thank you.

link to code
https://code.sololearn.com/Wb0dJ50Kto9d

i followed a youtube video to do this as im new and just wanted to get stuck in.

https://www.youtube.com/watch?v=Z3OnwkPOfY4

Answer 1

line 54

wrong :

document,addEventListener('keypress')

correct :

document.addEventListener('keypress', handleInput, false);

explanation :

should be dot (.) not comma (,)

addEventListener needs a second argument - the callback function