Set

• New data structure for handling collections
• Store unique values of any type, whether primitive values or object references
• Efficient and clean

var s = new Set();
s.add("hello").add("goodbye").add("hello");
s.size === 2;
s.has("hello") === true;
s.delete("hello");
s.has("hello") === false;

⛏   ES6 Katas: Set

Hacer las siguientes katas:

• basics
• set.add()
• set.delete()
• the API
• set.clear()