I think much contempt is actually directed at how JS features have not always had the same performance profile, support, or implementation across browsers. The

I think much contempt is actually directed at how JS features have not always had the same performance profile, support, or implementation across browsers. The language itself is fine, and incongruities have long been polyfilled. With Shared Array Buffers, Webworkers, WASM and WebGPU, offloading heavy computational work will only become easier.