function myPromiseAll(allPromises){
    const results =[];
    let promisesCompleted =0;
    return new Promise((resolve ,reject)=>{
        allPromises.forEach((promise,index)=>{
            promise.then((val)=>{
                results[index] = val;
                promisesCompleted+=1;
                if(promisesCompleted === allPromises.length){
                    resolve(results);
                }
            }).catch((error)=>{
                reject(error);
            })
        })
    })
}