AlgoDaily Solution
1Promise.all = (promises) => {
2 return new Promise((resolve, reject) => {
3 const results = [];
4
5 if (!promises.length) {
6 resolve(results);
7 return;
8 }
9
10 let pending = promises.length;
11
12 promises.forEach((promise, idx) => {
13 Promise.resolve(promise).then((value) => {
14 results[idx] = value;
15 pending--;
16 if (pending === 0) {
17 resolve(results);
18 }
19 }, reject);
20 });
21 });
22};Community Solutions
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Promise.all = (promises) => { return new Promise((resolve, reject) => { const results = []; // Array to store the results of the promises // TODO: Check if the promises array is empty, and if so, resolve with the empty results array let pending = promises.length; // Counter for the number of pending promises promises.forEach((promise, idx) => { // TODO: Resolve each promise and store its result in the results array // If all promises are resolved, call resolve with the results array // If any promise is rejected, call reject }); });};OUTPUT
Results will appear here.