What function do you use to detect swipes on phone in Java?

Question

What function do you use to detect swipes on phone in Java?
I want to make this compatible for 📲 (Phone, tablet ) etc.
This Is The code I got from GitHub .

https://code.sololearn.com/WXsitJyc5DhV/?ref=app

Answer 1

Wrap the whole JavaScript with:
document.addEventListener("DOMContentLoaded", function(event) { //do work });