What data is stored in localstorage
The data types stored in localstorage include four types: "string", "number", "Boolean value" and "object": 1. String, the most common data type; 2. Number, used for storage Numerical data such as counters and scores; 3. Boolean values, used to store Boolean data such as switch status and option selections; 4. Objects, stored in the form of JSON strings.
# Operating system for this tutorial: Windows 10 system, Dell G3 computer.
LocalStorage is a web API that stores data in the client browser. It provides a simple key-value pair storage method that can be used to save data long-term in the browser. The data stored in LocalStorage mainly includes the following types:
String (String): The most common data type, strings can be stored as values in LocalStorage. For example, store the user's name, address and other information.
Number: Numbers can be stored as values in LocalStorage and are used to store numerical data such as counters and scores.
Boolean value (Boolean): Boolean value can be stored as a value in LocalStorage, which is used to store Boolean data such as switch status and option selection.
Object: LocalStorage allows objects to be stored in it as JSON strings. By serializing the object into a JSON string and then storing it in LocalStorage, you can save complex data structures such as the user's shopping cart information, user preferences, etc.
It should be noted that the storage capacity of LocalStorage is limited, generally 5MB - 10MB. Therefore, when using LocalStorage to store data, you should choose which data to store based on actual scenarios and needs to avoid insufficient capacity caused by storing too much data. In addition, because LocalStorage is stored on the client side, the data stored in it will be lost when the user clears the browser cache or changes devices, so it is not suitable for storing important or sensitive data.
The above is the detailed content of What data is stored in localstorage. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
1664
14
1423
52
1321
25
1269
29
1249
24
Why can't localstorage successfully save data?
Jan 03, 2024 pm 01:41 PM
Why does storing data to localstorage always fail? Need specific code examples In front-end development, we often need to store data on the browser side to improve user experience and facilitate subsequent data access. Localstorage is a technology provided by HTML5 for client-side data storage. It provides a simple way to store data and maintain data persistence after the page is refreshed or closed. However, when we use localstorage for data storage, sometimes
How to set the expiration time of localstorage items
Jan 11, 2024 am 09:06 AM
How to set the expiration time of localstorage requires specific code examples. With the rapid development of the Internet, front-end development often requires saving data in the browser. Localstorage is a commonly used WebAPI that aims to provide a way to store data locally in the browser. However, localstorage does not provide a direct way to set the expiration time. This article will introduce how to set the expiration time of localstorage through code examples.
What are the methods to recover deleted Localstorage data?
Jan 11, 2024 pm 12:02 PM
How to recover deleted Localstorage data? Localstorage is a technology used to store data in web pages. It is widely used in various web applications to share data between multiple pages. However, sometimes we may accidentally delete data in Localstorage, which causes us trouble. So, how to recover deleted Localstorage data? Below are specific steps and code examples. Step 1: Stop writing to Loca
Why is localstorage unsafe?
Oct 10, 2023 pm 05:38 PM
The reasons why localstorage is unsafe are unencrypted data, XSS attacks, CERF attacks, capacity limitations, etc. Detailed introduction: 1. Data is not encrypted. Localstorage is a simple key-value pair storage system. It stores data in the user's browser in clear text, which means that anyone can easily access and read the data stored in localstorage. If sensitive information is stored in localstorage, hackers or malicious users can easily obtain this information and so on.
Steps and precautions for using localstorage to store data
Jan 11, 2024 pm 04:51 PM
Steps and precautions for using localStorage to store data This article mainly introduces how to use localStorage to store data and provides relevant code examples. LocalStorage is a way of storing data in the browser that keeps the data local to the user's computer without going through a server. The following are the steps and things to pay attention to when using localStorage to store data. Step 1: Check whether the browser supports LocalStorage
Why can't local storage save data correctly?
Jan 03, 2024 pm 01:41 PM
Why can't localstorage save my data normally? In web development, we often need to save the user's data locally so that the data can be quickly loaded or restored the next time the user visits the website. In the browser, we can use localStorage to achieve this function. However, sometimes we find that data saved using localStorage does not work properly. So why does this happen? In understanding why localStorage
Why does localstorage fail so quickly?
Dec 14, 2023 pm 02:55 PM
Reasons why localstorage fails quickly: 1. Browser support; 2. Storage space limit; 3. Security policy; 4. Page refresh and close; 5. JavaScript error. Detailed introduction: 1. Browser support. Different browsers may have different levels of support for LocalStorage. Some older browsers may not support LocalStorage, or there may be flaws in the implementation of LocalStorage, resulting in data failure; 2. Storage space limitations, etc. wait.
what is localstorage
Dec 19, 2023 pm 02:07 PM
localStorage is a web API that can store and retrieve data in a web browser. It allows websites to store data in the user's local browser instead of on the server. It can be used to store many different types of data, such as user settings, preferences, shopping cart data, etc. There are different storage limits in different browsers, and there is usually a maximum storage limit. It can be used to improve the user experience of the website and provide personalized services. But you need to pay attention to privacy and so on when using localStorage.