Do you know what will be the output of this code? console.log([...new Set([1, 1, 2, 3, 3])]);

How do you remove duplicates from an array with Set?

Do you know what will be the output of this code?

JavaScript

console.log([...new Set([1, 1, 2, 3, 3])]);

Show answer and explanation

The answer is [1, 2, 3].

Set ignores values it already has. Spreading it into [...] turns it back into an array, keeping the original order.