Create a unique Array in javascript
JS Tip #1
I know there is a lot of different ways to make a unique object list
but trust me this is a very fast way and simple way to do it

yeah, what the hack what is the Set :)
don't worry I’ll cover that too for you
regarding Mozilla official docs Set
is an object that lets you store unique values of any type, whether primitive values or object references.
set is introduced with ES6 (ES2015)
you can find more about set with below links