What is difference between Fetch and Axios ?

Fetch: fetch is a modern web API that allows you to send HTTP requests and handle responses using JavaScript. It is built into most modern web browsers, so you don't need to install any additional libraries to use it.

fetch is a native JavaScript API. This means that fetch is generally easier to use and has better browser support.

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Syntax of Fetch :

Here is an example of the syntax for making a GET request with fetch

fetch(url)
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error(error))

This code sends a GET request to the specified url, and logs the response data to the console if the request is successful. If the request fails, it logs the error to the console.

Here is an example of the syntax for making a POST request with fetch:


fetch(url, {
  method: 'POST',
  body: JSON.stringify({
    name: 'John',
    age: 30
  }),
  headers: {
    'Content-Type': 'application/json'
  }
})
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error(error))

This code sends a POST request to the specified url with the specified body data. It also sets the Content-Type header to application/json, to indicate that the body data is in JSON format. As with the GET request, it logs the response data to the console if the request is successful, or the error if the request fails.

Advantages of using fetch over Axios:

Fetch is built into the JavaScript language, so you don't need to install any third-party libraries. This makes it easier to get started with fetch, because you don't have to worry about setting up any additional dependencies.

Fetch has a simpler syntax than Axios. This can make it easier to learn and use, especially if you are new to making HTTP requests in JavaScript.

Fetch supports streaming, which allows you to process data as it is received from the server, rather than waiting for the entire response to be received. This can be useful for working with large amounts of data or real-time data.

Fetch also supports the use of Abort Controller, which allows you to cancel in-progress requests. This can be useful for canceling requests that are no longer needed, or for improving the user experience by allowing users to cancel slow or unresponsive requests.

Fetch is generally faster than Axios, because it uses native JavaScript promises, whereas Axios relies on a polyfill for older browsers.

That being said, Axios also has its own set of advantages, such as better browser support and a wider range of features. It is up to you to decide which library is the best fit for your needs.

Axios: Axios is a popular third-party library for making HTTP requests in JavaScript. It has a convenient and modern API, and it's often used in conjunction with libraries like React, Angular, and Vue to send HTTP requests from those environments.

Axios is a third-party library. Axios is more feature-rich and has a lot of extra functionality, such as automatic transformation of JSON data and the ability to cancel requests.

Syntax of Axios:

Here is an example of the syntax for making a GET request with Axios:

axios.get(url)
  .then(response => console.log(response.data))
  .catch(error => console.error(error))

This code sends a GET request to the specified url, and logs the response data to the console if the request is successful. If the request fails, it logs the error to the console.

Here is an example of the syntax for making a POST request with Axios:

axios.post(url, {
  name: 'John',
  age: 30
})
  .then(response => console.log(response.data))
  .catch(error => console.error(error))

This code sends a POST request to the specified url with the specified body data. It logs the response data to the console if the request is successful, or the error if the request fails.

Axios also provides several other functions for making different types of HTTP requests, such as axios.put() for making PUT requests, axios.delete() for making DELETE requests, and so on.

Advantages of using Axios over fetch:

Axios has better browser support than fetch. It can work in older browsers that do not have fetch built in, and it has a polyfill available to add fetch-like capabilities to those older browsers.

Axios has a wider range of features than fetch. It can automatically transform JSON data, supports canceling requests, and has a built-in mechanism for dealing with HTTP errors.

Axios provides a way to set default configurations for all requests. This can be useful if you need to set the same headers, base URL, or other options for all of your requests.

Axios supports the use of interceptors, which allow you to intercept and modify request and response objects before they are sent or received. This can be useful for adding authentication headers, logging request data, or handling errors globally.

Axios has a larger community and more extensive documentation than fetch. This can make it easier to find answers to questions and solve problems when using Axios.

That being said, fetch also has its own set of advantages, such as being built into the JavaScript language and having a simpler syntax. It is up to you to decide which library is the best fit for your needs.

Overall, both fetch and axios are good choices for making HTTP requests in JavaScript, and you can use either one depending on your needs and preferences.