All I can tell you with certainty is that the people who designed and funded webgl/asmjs/llvm efforts at Mozilla (Alon, Vlad, Brendan, …) clearly understood that wasm was a needed companion alongside JS (and its DOM&co bindings). Not a replacement. I was part of these conversations.
I understand why people would think it was a JS killer, but that's a naive way of looking at it.
All I can tell you with certainty is that the people who designed and funded webgl/asmjs/llvm efforts at Mozilla (Alon, Vlad, Brendan, …) clearly understood that wasm was a needed companion alongside JS (and its DOM&co bindings). Not a replacement. I was part of these conversations.
I understand why people would think it was a JS killer, but that's a naive way of looking at it.