using ES6 generator function to create fibonaaci series
No-Library (pure JS), HTML, CSS, JavaScript
Findling the promises which resolved and which rejected
Findling the index of promise which lead to fail promise.all
use of Array.map()
use of Array.every()
use of Array.some()
use of Array.find()
use of Array.filter()
https://github.com/eu81273/jsfiddle-console