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by afavour
1046 days ago
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That demonstrates that you can use WebAssembly to make a snappy UI, it does not demonstrate that you must use WebAssembly. It's nearly ten years old now but I remember being absolutely blown away by React Canvas, a UI toolkit that leveraged React but instead of rendering DOM nodes it rendered to a <canvas/> tag. Beautiful, 60fps stuff. All written in JS. Unfortunately all the demos seem to have disappeared since but here's a blog post about it: https://engineering.flipboard.com/2015/02/mobile-web Point is, both Makepad and React Canvas have something in common: they ditched the DOM. There are both advantages and disadvantages to doing so but the relevant point is that you don't need to use WebAssembly to do it. |
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I strongly recommend NOT doing this. It sounds like a fantastic idea in theory (who wouldn't want pixel-perfect control over all client viewports?), but there are so many caveats and edge cases that make it a nightmare in practice. You don't even have to get into accessibility or internationalization stuff to find the kinds of sharp edges that scared me away. Simple things like HiDPI, resizing viewports and drawing text.
I spent a solid 3-4 months of time on this path. I was so tired of fighting platform/browser quirks that it made sense. Now, I accept those quirks as battle-tested features and don't try to fight them anymore.
The only reason you should actually ditch the DOM is if you are doing something like Overwatch in the browser. Even then, I'd argue you would be a complete dumbass if you skip out on the power of CSS, etc. for purposes of handling your Menu/HUD elements.