Sign extension operators (WebAssembly)
Widely available since 2023-10-26
Sign-extension operator instructions extend the width of 8-bit, 16-bit, and 32-bit values to 32-bit and 64-bit values.
Learn more
No MDN documentation found. You can search for the feature on MDN. If you believe that MDN has no documentation about this feature, you can open an issue on MDN's GitHub repository.Specifications
Browser support (view on caniuse.com)
- Chrome 69 Released on 2018-09-04
- Chrome Android 69 Released on 2018-09-04
- Edge 18 Released on 2018-10-02
- Firefox 62 Released on 2018-09-05
- Firefox for Android 62 Released on 2018-09-05
- Safari 14.1 Released on 2021-04-26
- Safari on iOS 14.5 Released on 2021-04-26
View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist