async function fetchJson
async function getUserAsync(name)
{
let response = await fetch(`https://api.github.com/users/${name}`);
let data = await response.json()
return data;
}
getUserAsync('yourUsernameHere')
.then(data => console.log(data));async fetch api call
async function getUserAsync(name) {
try{
let response = await fetch(`https://api.github.com/users/${name}`);
return await response.json();
}catch(err){
console.error(err);
// Handle errors here
}
}js async await
/* Notes:
1. written like synchronous code
2. compatible with try/catch blocks
3. avoids chaining .then statements
4. async functions always return a promise
5. function pauses on each await expression
6. A non promise value is converted to
Promise.resolve(value) and then resolved
*/
// Syntax
// Function Declaration
async function myFunction(){
await ... // some code goes here
}
// Arrow Declaration
const myFunction2 = async () => {
await ... // some code goes here
}
// OBJECT METHODS
const obj = {
async getName() {
return fetch('https://www.example.com');
}
}
// IN A CLASS
class Obj {
// getters and setter CANNOT be async
async getResource {
return fetch('https://www.example.com');
}
}How to fetch data from an api async and await
async function fetchData() {
try {
const result = await axios.get("https://randomuser.me/api/")
console.log(result.data));
} catch (error) {
console.error(error);
}
}Copyright © 2021 Codeinu
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