[zephen]

Before WASM was the CLR.

Before the CLR was the JVM.

Before the JVM was the Smalltalk VM.

Before the Smalltalk VM was the Pascal P-Machine.

Before the Pascal P-Machine was the BCPL O-Code interpreter.

[davidron]

So true.

I think you missed flash. And arguably, to the author's point, JavaScript in browser (not wasm).