Web/API/Storage/clear

The clear() method of the Storage interface clears all keys stored in a given Storage object.

Syntax

storage.clear();

Return value

undefined.

Examples

The following function creates three data entries in local storage, and then deletes them by using clear().

function populateStorage() {
  localStorage.setItem('bgcolor', 'red');
  localStorage.setItem('font', 'Helvetica');
  localStorage.setItem('image', 'miGato.png');

  localStorage.clear();
}

Note: For a real world example, see our [[../../../../../../../mdn.github.io/dom-examples/web-storage/index|Web Storage Demo]].

Specifications

Specification	Status	Comment
HTML Living StandardThe definition of 'Storage.clear' in that specification.	Living Standard

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
clear	Chrome Full support 4	Edge Full support 12	Firefox Full support 3.5	IE Full support 8	Opera Full support 10.5	Safari Full support 4	WebView Android Full support Yes	Chrome Android Full support 18	Firefox Android Full support 6	Opera Android Full support 11	Safari iOS Full support 3.2	Samsung Internet Android Full support 1.0

Legend

Full support  

Full support

See also

Using the Web Storage API

Storage.clear() by Mozilla Contributors is licensed under CC-BY-SA 2.5.