For a given set of browsers, what APIs are not yet in all of them.
Example Comparisons
Summary
A count of the number of APIs are in Browser X but not in Browser Y.
|
Not in Edge | Not in Firefox |
| In Edge |
| 2 |
| In Firefox |
1 | |
Unstable APIs
Below is a list of features that are not in all of Edge and Firefox
Raw Data
Quick Links:
WebAssembly Data
| API |
First Browser |
Date |
Days in Limbo |
Notes |
| webassembly.branch-hinting 📋 | Edge | 5/29/2025 | 294 | |
| webassembly.exceptionsFinal 📋 | Firefox | 10/1/2024 | 534 | |
| webassembly.jspi 📋 | Edge | 5/29/2025 | 294 | |