coinhive alternative web scripts files help

[Sebultura]

Hello, I'm new here. I did a lot of research on the internet, but I couldn't find it, I thought maybe someone in the forum could help me
 

let me get into the subject I am looking for a website source code like coinhive websites such as crypto loot are now using the files in its infrastructure but I have no idea is there anyone who can help with their files sorry for my bad english..