Polyfills and browser support
X supports (at least) the following browsers:
| Browser | Version(s) | Notes |
|---|---|---|
| Chrome | Latest 5 | Includes Chrome for Android |
| Firefox | Latest 5 | Includes Firefox for Android |
| Opera | Latest 5 | Includes Opera Mobile |
| Safari | 9+ | Includes iOS Safari |
| Edge | All | |
| Internet Explorer | 10+ | |
| Android Browser | 4+ |