const data = async () => {
const got = await fetch('https://jsonplaceholder.typicode.com/todos/1');
console.log(await got.json())
}
data();await new Promise(resolve => setTimeout(resolve, 5000)); // 5 second wait
//or
(async () => {
await new Promise(resolve => setTimeout(resolve, 5000)); // 5 second wait
})();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();If the value of the expression following the await operator is not a Promise, it's converted to a resolved Promise.fetch('coffee.jpg')
.then(response => {
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
} else {
return response.blob();
}
})
.then(myBlob => {
let objectURL = URL.createObjectURL(myBlob);
let image = document.createElement('img');
image.src = objectURL;
document.body.appendChild(image);
})
.catch(e => {
console.log('There has been a problem with your fetch operation: ' + e.message);
});const a = async () => {
await b();
c();
};