What is the best way to get user input in Javascript?

Question

I'd like to make a box moving inside a container in Javascript, getting user input... up, right, left,bottom. help!!

Answer 1

https://www.w3schools.com/jsref/met_win_prompt.asp
https://www.universalclass.com/articles/computers/javascript/user-input-and-output-in-javascript.htm
https://stackoverflow.com/questions/15305527/javascript-user-input-through-html-input-tag-to-set-a-javascript-variable