ActionScript
ECMAScript-based language that powered Flash — the dominant platform for interactive web and game content in the 2000s.
static
jit
since 1998
oopfunctionalevent-driven
ActionScript 3 powered the Flash ecosystem that dominated interactive web content, online games, and video delivery before HTML5. Its class system and event model influenced early JavaScript frameworks. Adobe AIR allowed ActionScript to build cross-platform desktop applications. Flash’s end-of-life in 2020 has made ActionScript legacy, but large codebases and game libraries survive in emulation.