how to fetch in javascript code example

Example 1: 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

Example 2: node js fetch

const fetch = require('node-fetch');	//npm install node-fetch

fetch('https://httpbin.org/post', {
  method: 'POST',
  body: 'a=1'
})
  .then(res => res.json())
  .then(json => {
	// Do something...
  })
  .catch(err => console.log(err));

Example 3: fetch api javascript

fetch('http://example.com/songs')
	.then(response => response.json())
	.then(data => console.log(data))
	.catch(err => console.error(err));

Example 4: fetch and then javascript send parameters

const url = 'https://randomuser.me/api';
// The data we are going to send in our request
let data = {
    name: 'Sara'
}
// The parameters we are gonna pass to the fetch function
let fetchData = { 
    method: 'POST', 
    body: data,
    headers: new Headers()
}
fetch(url, fetchData)
.then(function() {
    // Handle response you get from the server
});

Example 5: http request javascript fetch

fetch('http://example.com/movies.json')
  .then(response => response.json())
  .then(data => console.log(data));

Example 6: fetch api in javascript

// GET Request.
fetch('https://jsonplaceholder.typicode.com/users')
    // Handle success
    .then(response => response.json())  // convert to json
    .then(json => console.log(json))    //print data to console
    .catch(err => console.log('Request Failed', err)); // Catch errors