Where is html5 localstorage stored

Information is kept in name and value pairs and not available between different browsers on the same device. If you want to quickly find out if the browser you're currently using supports HTML5 local storage, press F12 and enter this into your browser console:.

Local storage can be used as an alternative to cookies. It provides a chance to store more data: 4KB is the limit for cookies, and local storage allows using up to 10MB, depending on the browser. Moreover, the process is more efficient — the browser does not send any local storage data to the server in any step. Both of them are accessed in the same way and available globally:.

The JavaScript localStorage object stores data which doesn't expire. The storage event is fired on a document's Window object when a storage area changes. To illustrate some typical web storage usage, we have created a simple example, imaginatively called Web Storage Demo. The landing page provides controls that can be used to customize the color, font and decorative image.

When you choose different options, the page is instantly updated; in addition your choices are stored in localStorage , so that when you leave the page then load it again later on your choices are remembered.

In addition, we have provided an event output page — if you load this page in another tab, then make changes to your choices in the landing page, you'll see the updated storage information outputted as the StorageEvent is fired. Most modern browsers support a privacy option called 'Incognito', 'Private Browsing' or something similar that doesn't store data like history and cookies.

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Example Try this code ». The localStorage object stores the data with no expiration date. The data will not be deleted when the browser is closed, and will be available the next day, week, or year.

Remember to convert them to another format when needed! The following example counts the number of times a user has clicked a button. In this code the value string is converted to a number to be able to increase the counter:.

The sessionStorage object is equal to the localStorage object, except that it stores the data for only one session. The data is deleted when the user closes the specific browser tab.