Union of two arrays

Union of two arrays javascript

// union of two arrays javascript (duplicate)
const union = (a, b) => Array.from(new Set([...a, ...b]));
console.log(union([1, 2, 3], [4, 3, 2]))
// output
 // [1, 2, 3, 4]

Union of two arrays

1 2 3 4 5

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