Did you know that modern JavaScript commands don't work on retro web browsers? lol whodathunkit Time to retrofit some code

I cannot figure it out lol I think I'm just gonna have to revert to the original and have a chunk of javascript that only runs in modern browsers, which kinda sucks. I'm planning to put my site on the protoweb and I wanted it to be fully compatible. I guess it's fine, it's only for an easter egg