Promise.all implementation

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));