8/21/2017 - 9:49 AM



const, let, multiple string line,

- instance array, with fix number of items.
- pop, push, unshift, 
- indexOf, lastIndexOf, 
- loop: forEach, for of, entries, keys, values, 
- callback: every, some, filter, find value, findIndex, map, reduce, reduceRight

[WeakSet/Set - dont store duplicate keys]
- add, has, delete, clear

[Map - allow any Object to be used as a key]
get, set, size, delete

parse, stringify,

pre-args value.
Generator function (yield), func short arrow, 
function return multiple values

constructor, get, set, extends, super

export, import from
sample, random, partial,times,uniqueId.bind,map, keys,
  .then(function (response) {
  .catch(function (error) {