Promise.myAll = (promises)=>{
return new Promise(resolve,reject=>{
let count = 0;
let result = [];
let len = promises.length;
if(len==0){
resolve([])
}
for(let i = 0;i<len;i++){
Promise.resolve(promises[i]).then(res=>{
count +=1;
result[i] = res;
if(count==len){
resolve(result)
}
}).catch(err=>{
reject(err)
})
}
})
}