set vs concat

Benchmark created on

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spreed operator
var a = [34, 35, 45, 48, 49];
var b = [48, 55];
var union = [...new Set([...a, ...b])];
console.log(union);
ready
concat
var a = [34, 35, 45, 48, 49];
var b = [48, 55];
var union = [...new Set([a.concat(b)])];
console.log(union);
ready

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