From what i have seen UI / IO / glue code does not need that much performance. Therefore 80-90% of JS code you write does not need that much performance. So W

From what i have seen UI / IO / glue code does not need that much performance. Therefore 80-90% of JS code you write does not need that much performance. So WASM will be great for specialized libraries, but for most stuff it will not be "much" faster than JS.