JavaScript: What mobile browsers can do - 2020 revisited

on YouTube ↗44m

" summary

Live demo revisits 2018 showcase and enumerates which mobile browsers actually implement specific device APIs: navigator.getBattery works on Chrome but not Safari; Generic Sensor API (accelerometer, gyroscope, magnetometer, ambient light) runs on Chrome/Opera and often requires feature flags; navigator.wakeLock and Idle Detection are Chrome-only (flagged), Web Bluetooth and Gamepad connect on Chrome, camera via MediaDevices is broadly available, Web Share works on mobile, vibration requires user input. Demo aggregates ~100 attendees, ~50% Android, ~20 iOS, and many features remain behind flags or blocked by Safari for privacy.

AI-written summary · about

" chapters (12)

1. 0:00Introduction and motivation
2. 3:27HTML5 capabilities overview
3. 7:01Battery status API demo
4. 9:50Device sensors APIs
5. 19:59Screen wake lock API
6. 23:37Idle detection API
7. 25:45Bluetooth and gamepad APIs
8. 29:47Camera and media devices
9. 30:53Vibration and share APIs
10. 34:06Summary of tested features
11. 37:44Privacy and security considerations
12. 40:57Final thoughts and resources

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