Question 1

What is Axios?

Accepted Answer

Axios is a popular and widely-used JavaScript library that simplifies the process of making HTTP requests (GET, POST, PUT, DELETE) from your web applications. It is Promise-based, lightweight, and works on both browsers (using XMLHttpRequest) and Node.js (using http module) environments.

Question 2

Why should I use Axios over Fetch API?

Accepted Answer

Axios is often preferred over Fetch API due to the following reasons:
1. It has better error handling; Axios distinguishes between network errors and application-level errors.
2. Axios allows you to set default configurations, like headers, for each request.
3. It has built-in protections against Cross-Site Request Forgery (CSRF) attacks.
4. Axios has an automatic JSON data transformation feature, while Fetch requires manual handling.

Question 3

How do I cancel a request in Axios?

Accepted Answer

Axios allows you to cancel a request using the CancelToken source. You can create a CancelToken and pass it to your request configuration. Then, you can call the `cancel` method of the created token to cancel the request.

Question 4

Can I use Axios with TypeScript?

Accepted Answer

Yes, Axios supports TypeScript out of the box, and it includes the necessary type declarations. You can use Axios with TypeScript without additional setup or software installations.

Question 5

Are there any alternatives to Axios?

Accepted Answer

Yes, there are several alternative libraries for making HTTP requests in JavaScript, such as Fetch API (browser-native), jQuery Ajax, SuperAgent, and Got (for Node.js). Each library has its unique features and syntax, and you can choose one based on your application requirements and preferences.

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