Why don’t JavaScript compilers generate web assembly?

Question

Why don&rsquo;t JavaScript compilers generate web assembly?

rauschma · Accepted Answer

AssemblyScript [1] is an example of a subset of JavaScript being compiled to fast WebAssembly. But it is very static code. If you want to run dynamic JavaScript fast, you need the more sophisticated strategies used by modern JavaScript engines.[1] https://www.assemblyscript.org/

pestatije · Answer

You mean the client? That'd be an intermediate step to metal. If you want speed, the fewer intermediate steps the better.Otherwise I don't understand the question.

johncoltrane · Answer

Why would they?

Why don’t JavaScript compilers generate web assembly?

Why don’t JavaScript compilers generate web assembly?

AssemblyScript [1] is an example of a subset of JavaScript being compiled to fast WebAssembly. But it is very static code. If you want to run dynamic JavaScript fast, you need the more sophisticated strategies used by modern JavaScript engines.
[1] https://www.assemblyscript.org/

You mean the client? That'd be an intermediate step to metal. If you want speed, the fewer intermediate steps the better.
Otherwise I don't understand the question.

Why would they?