K, got two questions for you. Php vs Js? And also, help with a code that doesn't work on mobile.

Question

Two codes in reference here.

https://code.sololearn.com/WEC1l92mZ1wi/?ref=app
< This one, works on Pc, but not on mobile and I dont understand why. Any help would be appreciated. Original credit to Tim G.

The second more of general question.
For saving data, ie. a user profile, and/or stats for a game, would you guys recommend PHP, or are there ways to do this with JavaScript/Cookies 🍪 alone? PHP wud be a new language for me to learn. Interested tho >

https://code.sololearn.com/Ww7BpILobq58/?ref=app

Answer 1

I have other places I could store the data. was thinking for this particular platform it might be easiest to do client side tho

Answer 2

php and js are totaly different,but as I guess you can do server stuff with node js.
Also you can save data even with html5,but not here.

Answer 3

bump