[w3c/gamepad] Can duration and startDelay ever be invalid? (Issue #229)

saschanaz created an issue (w3c/gamepad#229)

https://w3c.github.io/gamepad/#dfn-valid-dual-rumble-effect

> Given [GamepadEffectParameters](https://w3c.github.io/gamepad/#dom-gamepadeffectparameters) params, a valid dual-rumble effect must have a [valid](https://w3c.github.io/gamepad/#dfn-valid-effect) [duration](https://w3c.github.io/gamepad/#dom-gamepadeffectparameters-duration), a [valid](https://w3c.github.io/gamepad/#dfn-valid-effect) [startDelay](https://w3c.github.io/gamepad/#dom-gamepadeffectparameters-startdelay), and both the [strongMagnitude](https://w3c.github.io/gamepad/#dom-gamepadeffectparameters-strongmagnitude) and the [weakMagnitude](https://w3c.github.io/gamepad/#dom-gamepadeffectparameters-weakmagnitude) must be in the range [0 .. 1].

But it doesn't say what is a "valid duration" or "valid effect", as the link to "valid" only goes to "valid effect". Maybe if it's too long then it can be invalid in implementation detail?

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Received on Monday, 29 June 2026 14:29:28 UTC