WebAssembly
The WebAssembly.instantiate() and WebAssembly.instantiateStreaming() global static methods load WebAssembly code (also known as Wasm), a portable binary instruction format.
Status
Baseline Widely Available (since 2020-04-17)
MDN documentation
Specifications
Browser support (view on caniuse.com)
- Chrome 57 Released on 2017-03-09
- Chrome Android 57 Released on 2017-03-16
- Edge 16 Released on 2017-10-17
- Firefox 52 Released on 2017-03-07
- Firefox for Android 52 Released on 2017-03-07
- Safari 11 Released on 2017-09-19
- Safari on iOS 11 Released on 2017-09-19
Developer signals
- State of HTML 2025: usage/html_interoperability_features question
- State of HTML 2025: usage/html_functionality_features question
- State of HTML 2025: performance/performance_pain_points question
- State of HTML 2025: interactivity/interactivity_pain_points_interop_1 question
- State of HTML 2025: interactivity/interactivity_pain_points question
- State of HTML 2025: graphics_multimedia/graphics_pain_points_limitations_1 question
- State of HTML 2025: graphics_multimedia/graphics_pain_points_interop_1 question
- State of HTML 2025: graphics_multimedia/graphics_pain_points question
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