JavaScript: How to convert an array to set?

Set constructor takes an iterable as argument and populate the elements of iterator.

Syntax

new Set(iterable)

HelloWorld.js

var countries =  new Array();

countries.push("India");
countries.push("Australia");
countries.push("Canada");
countries.push("Germany");

var countriesSet = new Set(countries)

console.log(countries);
console.log(countriesSet);

Output

Array(4) [ "India", "Australia", "Canada", "Germany" ]

Set(4) [ "India", "Australia", "Canada", "Germany" ]

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