The JavaScript Gamepad API: A Practical Guide to Reading Controller Input

The article explains how to use the browser Gamepad API in practice, centered on `navigator.getGamepads()` and polling with `requestAnimationFrame`.

It highlights that buttons are state objects, analog axes are noisy, and dead zones are needed to avoid false input.

Gamepads require a secure context, and developers must handle connection events plus hidden or disconnected controllers correctly.

Understanding browser polling behavior helps avoid common bugs in games, cloud streaming, kiosks, and hardware diagnostics.