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What's stopping WebAssembly from effectively replacing JavaScript? (programming.dev)
submitted 3 years ago by to c/programming@programming.dev
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I've been wondering about this for a while and haven't really found a great answer for it. From what I understand, WASM is:

  • Faster than JavaScript

  • Has a smaller file size

  • Can be compiled to from pretty much any programming language

  • Can be used outside of the browser easier thanks to WASI

So why aren't most websites starting to try replacing (most) JS with WASM now that it's supported by every major browser? The most compelling argument I heard is that WASM can't manipulate the DOM and a lot of people don't want to deal with gluing JS code to it, but aside from that, is there something I'm missing?

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[–] 6 points 3 years ago*

There are quite a few web frontend frameworks for rust now that are reasonably mature. Though you might still find a few rough edges they are usable for projects now.

All of these can work without you needing to write any JS code. Though there is JS glue code involved, it is generated and you don't need to worry about it.

But the JS eco system is still quite large and hard to completely avoid.

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