ES6 013 – What is a promise?
A promise is an object that may produce a single value some time in the future: either a resolved value, […]
ECMAScript6 009 – Symbols
New primitive With unique IDs Customized Symbols were made for Metaprogramming Source: https://www.freecodecamp.org/news/how-did-i-miss-javascript-symbols-c1f1c0e1874a/
ECMAScript6 007 – Sets
Sets are a new object type with ES6 (ES2015) that allow to create collections of unique values. The values in a set can be either simple primitives […]
ECMAScript6 006 – Maps
The key could be any object, but it must be an especific one when is called. if it is a […]
