fetch in js
fetch('http://example.com/songs')
.then(response => response.json())
.then(data => console.log(data))
.catch(err => console.error(err));fetch in js
fetch('http://example.com/songs')
.then(response => response.json())
.then(data => console.log(data))
.catch(err => console.error(err));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 errorsfetch get request
// Example POST method implementation:
async function postData(url = '', data = {}) {
// Default options are marked with *
const response = await fetch(url, {
method: 'POST', // *GET, POST, PUT, DELETE, etc.
mode: 'cors', // no-cors, *cors, same-origin
cache: 'no-cache', // *default, no-cache, reload, force-cache, only-if-cached
credentials: 'same-origin', // include, *same-origin, omit
headers: {
'Content-Type': 'application/json'
// 'Content-Type': 'application/x-www-form-urlencoded',
},
redirect: 'follow', // manual, *follow, error
referrerPolicy: 'no-referrer', // no-referrer, *no-referrer-when-downgrade, origin, origin-when-cross-origin, same-origin, strict-origin, strict-origin-when-cross-origin, unsafe-url
body: JSON.stringify(data) // body data type must match "Content-Type" header
});
return response.json(); // parses JSON response into native JavaScript objects
}
postData('https://example.com/answer', { answer: 42 })
.then(data => {
console.log(data); // JSON data parsed by `data.json()` call
});fetch in javascript
// Fetching random users
const getRandomUsers = n => {
console.log('---- Random users generated ---');
const fetchRandomUsers = fetch(`https://randomuser.me/api/?results=${n}`);
fetchRandomUsers.then( data => data.json().then( randomUsers => {
console.log(JSON.stringify(randomUsers.results.length));
randomUsers.results.forEach( randomUserGenerated => {
const{gender , email , name} = randomUserGenerated;
const {title , first , last } = name ;
let fullNames = `${title}.${first} ${last}`;
console.log(`${fullNames} -- ${gender} -- ${email}`);
})
}));
}
getRandomUsers(100);Copyright © 2021 Codeinu
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