StorageArea.clear()

Removes all items from the storage area.

This is an asynchronous function that returns a Promise.

Syntax

js
let clearing = browser.storage.<storageType>.clear()

Where <storageType> is one of the writable storage types — storage.local, storage.session, or storage.sync

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

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desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
clear

Legend

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Full support
Full support
See implementation notes.

Examples

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

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

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

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