yet on real old hardware it would be 20x slower in real life. same as all native javascript junk - its fast, but non usuable on older hardware

Here's a nickel kid. Go buy yourself a real computer.

How much RAM would a nickel buy me?

Good thing I'm not running games on my 4gb Pentium 4 then.

Your code running on other people’s hardware is a privilege. Treat it with respect.