Javascript Promise.all() Nedir, Nasıl Kullanılır?
Javascript'te birden fazla asenkron işlemi aynı anda işleme almak için Promise.all(array[]) statik metodunu kullanılır. Böylelikle diğer asenkron işlemlerin bitmesini beklemeden diğerlerini de işleme almış oluyoruz.
Parametre olarak verilen asenkron işlemlerinin hepsinin bitmesini bekledikten sonra sonuç döndürmektedir.
Örnek kullanım
Promise.all(array[asenkron işlemler]);
Örnek
var p1 = Promise.resolve(1);
var p2 = 2022;
var p3 = new Promise((resolve, reject) => {
setTimeout(() => {
resolve("kodsozluk");
}, 100);
});
Promise.all([p1, p2, p3]).then(sonuclar=> {
console.log(sonuclar);
});
Çıktı
[1, 2022, "kodsozluk"]
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