How to fetch data from an API in React?

Fetching Data From API In React

Fetching data from an API in React involves making an asynchronous call to the server to retrieve data, which can then be displayed on the client-side. Here are some examples of how to fetch data from an API in React:

1.) Using the built-in fetch() method:

import React,

{ useState, useEffect } from 'react';

function App() {

const [data, setData] = useState([]);

 useEffect(() => {

 fetch('https://

jsonplaceholder.typicode.com/posts')

 .then(response => response.json())

 .then(json => setData(json))

 .catch(error => console.log(error));

  }, []);

  return (

    <div>

      <ul>

        {data.map(item => (

          <li key={item.id}>

{item.title}</li>

        ))}

      </ul>

    </div>

  );

}

export default App;

In this example, we're using the useEffect hook to make the API call when the component mounts, and updating the state with the retrieved data. We then map over the data array to render a list of items.

2.) Using axios library:

import React,

{ useState, useEffect } from 'react';

import axios from 'axios';

function App() {

const [data, setData] = useState([]);

useEffect(() => {

axios.get('https:

//jsonplaceholder.typicode.com/posts')

.then(response => setData(response.data))

.catch(error => console.log(error));

  }, []);

  return (

    <div>

      <ul>

        {data.map(item => (

          <li key={item.id}>

{item.title}</li>

        ))}

      </ul>

    </div>

  );

}

export default App;

In this example, we're using the axios library to make the API call. We use the useEffect hook to make the call when the component mounts, and update the state with the retrieved data. We then map over the data array to render a list of items.

There are several other ways to fetch data from an API in React, but these are two of the most common methods. It's important to handle errors appropriately and to use appropriate data structures to store and manipulate the retrieved data.

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