Fetch react

Js fetch 'post' json

//Obj of data to send in future like a dummyDb
const data = { username: 'example' };

//POST request with body equal on data in JSON format
fetch('https://example.com/profile', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify(data),
})
.then((response) => response.json())
//Then with the data from the response in JSON...
.then((data) => {
  console.log('Success:', data);
})
//Then with the error genereted...
.catch((error) => {
  console.error('Error:', error);
});

//																		Yeah

Source: developer.mozilla.org

React get method

/* React get method.  */

componentWillMount(){
    fetch('/getcurrencylist',
    {
        /*
        headers: {
          'Content-Type': 'application/json',
          'Accept':'application/json'
        },
        */
        method: "get",
        dataType: 'json',
    })
    .then((res) => res.json())
    .then((data) => {
      var currencyList = [];
      for(var i=0; i< data.length; i++){
        var currency = data[i];
        currencyList.push(currency);
      }
      console.log(currencyList);
      this.setState({currencyList})
      console.log(this.state.currencyList);
    })
    .catch(err => console.log(err))
  }

Fetch react

// React fetch with useEffect
 
 useEffect(() => {
    const fetchApi = async () => {
      const response = await fetch(
        `http://api.openweathermap.org/data/2.5/weather?q=${search}&appid=4ea8f345f660789c426b1282d9a41f67`
      );
      const resJson = await response.json();
      setCity(resJson.main);
    };
    fetchApi();
  }, [search]);

Fetch

var formData = new FormData();
var fileField = document.querySelector("input[type='file']");

formData.append('username', 'abc123');
formData.append('avatar', fileField.files[0]);

fetch('https://example.com/profile/avatar', {
  method: 'PUT',
  body: formData
})
.then(response => response.json())
.catch(error => console.error('Error:', error))
.then(response => console.log('Success:', response));

Source: developer.mozilla.org

Fetch in react

React.useEffect(function() {
        console.log("Effect ran")
        fetch("https://swapi.dev/api/people/1")
            .then(res => res.json())
            .then(data => setStarWarsData(data))
    }, [])

Similar codes

0 vote187 views2 answers
Selected css based on route react
Javascript React
4 votes205 views1 answer
External site links in react Link
Javascript React
1 vote209 views1 answer
React-native razorpay
Javascript React
1 vote266 views2 answers
React native time range picker
Javascript React
0 vote208 views1 answer
How to add alternate image in img tag in react
Javascript React
0 vote264 views1 answer
How to Submit Forms and Save Data with React.js
Javascript React
0 vote201 views1 answer
Comming soon page in react
Javascript React
0 vote196 views1 answer
Uuid for react native
Javascript React
7 votes191 views1 answer
The path argument must be of type string. received undefined react
Javascript React
6 votes307 views1 answer
'useHistory' is not exported from 'react-router-dom'.
Javascript React