promise.all source code code example
Example 1: promise all
Promise.all([Promise1, Promise2, Promise3])
.then(result) => {
console.log(result)
})
.catch(error => console.log(`Error in promises ${error}`))
Example 2: promise all
var p1 = new Promise((resolve, reject) => {
setTimeout(resolve, 1000, "one");
});
var p2 = new Promise((resolve, reject) => {
setTimeout(resolve, 2000, "two");
});
var p3 = new Promise((resolve, reject) => {
setTimeout(resolve, 3000, "three");
});
var p4 = new Promise((resolve, reject) => {
setTimeout(resolve, 4000, "four");
});
var p5 = new Promise((resolve, reject) => {
reject("reject");
});
Promise.all([p1, p2, p3, p4, p5]).then(values => {
console.log(values);
}, reason => {
console.log(reason)
});
Promise.all([p1, p2, p3, p4, p5]).then(values => {
console.log(values);
}).catch(reason => {
console.log(reason)
});