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docs: add alarms.clearAll() return value Safari exception #45150

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rebloor merged 1 commit into from
Sep 3, 2026
Merged

docs: add alarms.clearAll() return value Safari exception #45150

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5 changes: 4 additions & 1 deletion files/en-us/mozilla/add-ons/webextensions/api/alarms/clearall/index.md
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Expand Up @@ -22,7 +22,10 @@ None.

### Return value

A [`Promise`](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise) that will be fulfilled with a boolean. This will be `true` if any alarms were cleared, `false` otherwise. Note that Chrome always passes `true` here.
A [`Promise`](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise) fulfilled with a boolean. This is `true` if any alarms were cleared, `false` otherwise.

> [!NOTE]
> Chrome always passes `true` and Safari `undefined`. The return type is subject to change and may always return `undefined` for all browsers in the future. It is best to not rely on the return type.

## Examples

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