Set data structure of Java in javascript/jQuery

Question

Is there any way to create Set data structure(Unique Collections) like java in javascript?

Answer 1

Javascript now provides (part of es6) Set Api, which can be used to create unique collection.

var set = new Set([1,1,2,3]);
set.add(1);
set.add(4); 

For more info, visit - https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set