What is WebAssembly
WebAssembly (Wasm) is a low-level binary instruction format that allows C/C++/Rust and other code to run at near native speeds in a browser.
Working principle
Compile other languages into. wasm binary files, and interact with JavaScript through linear memory after the browser loads them.
Typical application scenarios
Performance sensitive scenes such as video editing, 3D gaming, scientific computing, image processing, encryption algorithms, etc.
Comparison with JS
Wasm loads quickly, executes quickly, and has a small size; JS development is fast, has a mature ecosystem, and is flexible and easy to use. The two complement each other rather than replace each other.
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