WebAssembly
Spicy — senior dev territoryFrontend
ELI5 — The Vibe Check
Browsers run JavaScript — but JavaScript is slow for heavy tasks like video encoding or game physics. WebAssembly (Wasm) is a binary format that browsers run at near-native CPU speed. You write code in Rust, C, or C++, compile it to Wasm, and ship it to the browser. Figma, AutoCAD Web, and Google Earth use it.
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