Phase 6 · Browser APIs

Topics

Geolocation

Part of the Frontend Developer Roadmap.

Summary

`navigator.geolocation` lets a webpage (with user permission) access the device's current physical location for maps, local search or delivery apps. Location access is permission-controlled and can have accuracy, battery, privacy, and availability trade-offs, so applications should request only what they actually need.

How to Learn This

  • 1Request the user's location and log the returned latitude/longitude. Validate your understanding by applying it in a small practical example.
  • 2Handle the permission-denied case gracefully in the UI. Validate your understanding by applying it in a small practical example.
  • 3Learn the difference between `getCurrentPosition` and `watchPosition`.
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