async awiat
const data = async () => {
const got = await fetch('https://jsonplaceholder.typicode.com/todos/1');
console.log(await got.json())
}
data();async awiat
const data = async () => {
const got = await fetch('https://jsonplaceholder.typicode.com/todos/1');
console.log(await got.json())
}
data();async await
async function f() {
try {
let response = await fetch('/no-user-here');
let user = await response.json();
} catch(err) {
// catches errors both in fetch and response.json
alert(err);
}
}
f();async
function resolveAfter2Seconds() {
return new Promise(resolve => {
setTimeout(() => {
resolve('resolved');
}, 2000);
});
}
async function asyncCall() {
console.log('calling');
const result = await resolveAfter2Seconds();
console.log(result);
// expected output: 'resolved'
}
asyncCall();asynchronous javascript
console.log ('Starting');
let image;
fetch('coffee.jpg').then((response) => {
console.log('It worked :)')
return response.blob();
}).then((myBlob) => {
let objectURL = URL.createObjectURL(myBlob);
image = document.createElement('img');
image.src = objectURL;
document.body.appendChild(image);
}).catch((error) => {
console.log('There has been a problem with your fetch operation: ' + error.message);
});
console.log ('All done!');Asynchronous in javascript
//Asynchronous JavaScript
console.log('I am first');
setTimeout(() => {
console.log('I am second')
}, 2000)
setTimeout(() => {
console.log('I am third')
}, 1000)
console.log('I am fourth')
//Expected output:
// I am first
// I am fourth
// I am third
// I am secondCopyright © 2021 Codeinu
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