Spiral. Not circle. Having something run in itself is as old as the need to safely run something in order to see if it's going to blow up or not, though. If people aren't trying to write things so your general use programming environment can virtualize itself, it's basically not used seriously enough yet.

now we just need wasm intepreter in js. so we can run this package to run javascript to run wasm intepreter and so on..