The programming language of Flash, used for interactive web art and games in the 2000s.
I mean, we talk all the time about Flash ActionScript and how many amazing pieces used to be created through Flash. And now many of those pieces can never be run again because there's no support for it on any browser.
Conrad House, One Year of Le Random
The code itself is specific to the language that you're using. That was ActionScript before and now it's JavaScript. In the future, it might be something else.
Rafaël Rozendaal, Rafaël Rozendaal on a Liquid Canvas