promise.all javascript await code example
Example 1: await all pronmises
Promise.all([promise1, promise2, promise3]).then(function(values) {
console.log(values);
});
Example 2: promise all
Promise.all([Promise1, Promise2, Promise3])
.then(result) => {
console.log(result)
})
.catch(error => console.log(`Error in promises ${error}`))
Example 3: async await promise all javascript
let characterResponse = await fetch('http://swapi.co/api/people/2/')
let characterResponseJson = await characterResponse.json()
let films = await Promise.all(
characterResponseJson.films.map(async filmUrl => {
let filmResponse = await fetch(filmUrl)
return filmResponse.json()
})
)
console.log(films)
Example 4: Promise.all
const promise1 = Promise.resolve(3);
const promise2 = 42;
const promise3 = new Promise(function(resolve, reject) {
setTimeout(resolve, 100, 'foo');
});
Promise.all([promise1, promise2, promise3]).then(function(values) {
console.log(values);
});