Home Common Problem What is localstorage mainly used for?

What is localstorage mainly used for?

Nov 30, 2023 am 09:46 AM
localstorage

LocalStorage is mainly used to store and obtain data on the browser side: 1. Local cache, use LocalStorage to cache some static resources; 2. User preferences, use LocalStorage to store user preferences; 3. Form Automatic filling of data, users can automatically fill in saved data when they visit next time, improving the convenience of users filling in forms; 4. Session management, using LocalStorage to store session information; 5. Used as temporary data storage.

What is localstorage mainly used for?

# Operating system for this tutorial: Windows 10 system, Dell G3 computer.

LocalStorage is mainly used to store and obtain data on the browser side. The following are the main application scenarios of LocalStorage:

  1. Local cache: You can use LocalStorage to cache some static resources, such as images, CSS files, JavaScript files, etc. This can reduce network requests and improve page loading speed and user experience.

  2. User preferences: You can use LocalStorage to store user preferences, such as the user's selected language, theme, font size, etc., so that the user can retain their personalized settings the next time they visit .

  3. Auto-filling of form data: When the user enters data in the form, the data can be stored in LocalStorage so that the saved data can be automatically filled in the next time the user visits, improving Convenience for users to fill out forms.

  4. Session management: You can use LocalStorage to store session information, such as user login status, authentication token, etc. This allows session data to be shared between different pages of your website or app.

  5. Temporary data storage: LocalStorage can be used as a temporary storage space to store temporarily generated data or temporary calculation results for use during the current session.

It should be noted that since LocalStorage is stored on the client, the data capacity is limited and usually cannot exceed tens of MB, so it is suitable for storing smaller data. In addition, LocalStorage is bound to a specific domain name. LocalStorage under different domain names are independent of each other and cannot be accessed across domains.

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