I imagine the sandboxing and existence of terrible code wouldn't have been especially different from JS. I think the ubiquity would have helped to make people m

I imagine the sandboxing and existence of terrible code wouldn't have been especially different from JS. I think the ubiquity would have helped to make people more aware of the advantages of Lisp. We might have substantially more Lisp-derived languages in popular use today. I'm currently working on a project in Clojurescript, and I'm aware of some of the other options for running Lisp in a browser.