Reference Materials: Commonly Used Javascript Tool Libraries

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Third-party libraries provide reusable code and functionality for developers. This allows developers to avoid writing code from scratch, saving time and effort.

Here are a few commonly used Javascript tool libraries:

1. lodash

A practical Javascript tool library that is universal for both front-end and back-end, providing many useful functions to simplify common programming tasks.

It offers numerous commonly used functions, such as operations on arrays and objects, string manipulation, and functional programming tools. lodash can reduce the amount of code, improve code quality, and make the code easier to understand and maintain.

Note: It is important not to misuse the principles of functional programming to avoid making the code difficult to understand and maintain. Additionally, be aware of lodash's performance issues, as it may degrade application performance when operating on large datasets.

Official website: https://www.lodashjs.com/

2. dayjs

A lightweight Javascript library that is universal for both front-end and back-end, used for parsing, manipulating, and formatting dates. dayjs provides an API similar to Moment.js, but with a smaller size and faster performance.

It supports multiple languages and offers various date formatting options, making date handling much easier.

Note: When using dayjs for date handling, pay attention to timezone settings to ensure the accuracy of dates. Also, avoid excessive use of date handling to prevent performance degradation of the application.

Official website: https://dayjs.fenxianglu.cn/

3. axios

A Promise-based HTTP client that is universal for both front-end and back-end, usable in browsers and Node.js. It can send asynchronous requests and handle responses, supporting request and response interceptors, request cancellation, and more.

axios is very convenient for handling AJAX requests, making it an essential tool in modern web application development.

Note: When using axios to send HTTP requests, be mindful of cross-origin issues, which often require the use of proxies or CORS to resolve. Additionally, take precautions against network security issues, such as CSRF attacks.

Official website: https://www.axios-http.cn/

Third-party libraries provide reusable code and functionality for developers. This allows developers to avoid writing code from scratch, saving time and effort.

Here are a few commonly used Javascript tool libraries:

## 1. lodash

A practical Javascript tool library that is universal for both front-end and back-end, providing many useful functions to simplify common programming tasks.

It offers numerous commonly used functions, such as operations on arrays and objects, string manipulation, and functional programming tools. `lodash` can reduce the amount of code, improve code quality, and make the code easier to understand and maintain.

**Note:** It is important not to misuse the principles of functional programming to avoid making the code difficult to understand and maintain. Additionally, be aware of `lodash`'s performance issues, as it may degrade application performance when operating on large datasets.

Official website: https://www.lodashjs.com/

## 2. dayjs

A lightweight Javascript library that is universal for both front-end and back-end, used for parsing, manipulating, and formatting dates. `dayjs` provides an `API` similar to `Moment.js`, but with a smaller size and faster performance.

It supports multiple languages and offers various date formatting options, making date handling much easier.

**Note:** When using `dayjs` for date handling, pay attention to timezone settings to ensure the accuracy of dates. Also, avoid excessive use of date handling to prevent performance degradation of the application.

Official website: https://dayjs.fenxianglu.cn/

## 3. axios

A `Promise`-based `HTTP` client that is universal for both front-end and back-end, usable in browsers and `Node.js`. It can send asynchronous requests and handle responses, supporting request and response interceptors, request cancellation, and more.

`axios` is very convenient for handling `AJAX` requests, making it an essential tool in modern web application development.

**Note:** When using `axios` to send `HTTP` requests, be mindful of cross-origin issues, which often require the use of proxies or `CORS` to resolve. Additionally, take precautions against network security issues, such as `CSRF` attacks.

Official website: https://www.axios-http.cn/