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An extension to WebAssembly allowing instructions, blocks and functions to produce multiple result values
Last updated on : 2026-02-09
Browser Versions
IE
Edge
Firefox
Chrome
Safari
Opera
Fully Supported
Partially
No Support
WebAssembly Multi-Value on IE is not supported on any IE versions.
WebAssembly Multi-Value on Edge is fully supported on 85-144, and not supported on 12-84 Edge versions.
WebAssembly Multi-Value on Firefox is fully supported on 78-150, and not supported on 2-77 Firefox versions.
WebAssembly Multi-Value on Chrome is fully supported on 85-147, and not supported on 4-84 Chrome versions.
WebAssembly Multi-Value on Safari is fully supported on 13.1-26.3, and not supported on 3.2-13 Safari versions.
WebAssembly Multi-Value on Opera is fully supported on 71-125, and not supported on 9.5-70 Opera versions.
WebAssembly Multi-Value on Safari on iOS is fully supported on 13.2-26.3, and not supported on 3.2-13 Safari on iOS versions.
WebAssembly Multi-Value on Android Browser is fully supported on 123-144, and not supported on 2.3-4 Android Browser versions.
WebAssembly Multi-Value on Opera Mobile is fully supported on 80-80, and not supported on 10-12 Opera Mobile versions.
WebAssembly Multi-Value on Chrome for Android is fully supported on all Chrome for Android versions.
WebAssembly Multi-Value on Firefox for Android is fully supported on all Firefox for Android versions.
WebAssembly Multi-Value on Samsung Internet is fully supported on 14-29, and not supported on 4-13 Samsung Internet versions.
Data sourced from
Overall Browser Compatibility Score
Note:WebAssembly Multi-Value shows a browser compatibility score of 88. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.
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