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In today's digital world, APIs have become a critical component for accessing and sharing data between different systems and applications. Whether you are building a web application, mobile app, or simply working with data, it's important to understand how to extract the data you need from an API response.

One of the most popular programming languages for working with APIs is JavaScript. In this blog, we will explore how to make an API call, handle the response, and extract the data you need using the fetch() function and the JSON.parse() method.

Making an API Call with `fetch()`

The fetch() function is a modern way to make an API call in JavaScript. The fetch() function takes a URL as an argument and returns a Promise that resolves to the Response object representing the response to your request. Here's an example of how you can make an API call using the fetch() function:

javascript fetch('https://api.example.com/data') .then((response) => response.json()) .then((data) => { // do something with the data console.log(data); });

Handling the Response with then()

The then() method is used to handle the response from the API call. The then() method takes two arguments, a success callback and an error callback. In our example, we are using the success callback to parse the response and convert it into a JavaScript object using the json() method.

Extracting Data with JSON.parse()

The JSON.parse() method is used to parse a string of JSON data and convert it into a JavaScript object. In our example, we are using the json() method on the response object to extract the data from the API response.

javascript fetch('https://api.example.com/data') .then((response) => response.json()) .then((data) => { // extract specific data const name = data.name; const age = data.age; console.log(`Name: ${name}, Age: ${age}`); });

In conclusion, extracting data from an API response in JavaScript is a relatively straightforward process using the fetch() function and the JSON.parse() method. Whether you are building a web application, mobile app, or simply working with data, understanding how to extract data from an API response is a critical skill for modern developers.

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How to Extract Data from an API Response in JavaScript

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