First Round -
Answer of 2nd question
const myPromiseAll = function (promises) {
const results = [];
let numberOfFinishedFuncs = 0;
return new Promise( (resolve, reject) => {
for(let i = 0; i< promises.length; i++) {
promises[i].then(res => {
numberOfFinishedFuncs++;
results.push(res);
if (numberOfFinishedFuncs === promises.length) {
resolve(results);
}
}).catch(err => {
reject(err);
})
}
});
}
function promiseCreaterFunc(timeout) {
return new Promise((resolve, reject) => {
setTimeout(() => resolve(timeout), timeout);
});
}
const promiseList = [promiseCreaterFunc(1000), promiseCreaterFunc(3000), promiseCreaterFunc(2000)];
myPromiseAll(promiseList)
.then(results => console.log(results))
.catch(error => console.log(error));Interview process is still ongoing. Will update the doc as it progresses.