It's not about Javascript vs. WASM; it's the DOM. DOMless apps like Figma are much faster.
The slowness in a React app is not the DOM. Typical apps spend most of their time running component code long before any DOM mutations are committed.
If you look at DOM benchmarks it's extremely fast. Slow web pages come from slow layers on top.
alt Hacker News
The slowness in a React app is not the DOM. Typical apps spend most of their time running component code long before any DOM mutations are committed.
If you look at DOM benchmarks it's extremely fast. Slow web pages come from slow layers on top.