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Removes all items from the storage area.

This is an asynchronous function that returns a Promise.

Syntax

var clearing = browser.storage.<storageType>.clear()

<storageType> will be one of the writable storage types — storage.sync or storage.local.

Parameters

None.

Return value

A Promise that will be fulfilled with no arguments if the operation succeeded. If the operation failed, the promise will be rejected with an error message.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxOperaFirefox for Android
clearChrome Full support YesEdge Full support 14Firefox Full support 45Opera Full support 33Firefox Android Full support 48

Legend

Full support  
Full support

Examples

function onCleared() {
  console.log("OK");
}

function onError(e) {
  console.log(e);
}

var clearStorage = browser.storage.local.clear();
clearStorage.then(onCleared, onError);

Acknowledgements

This API is based on Chromium's chrome.storage API. This documentation is derived from storage.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

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