Easy One-Liner to Use Set to Find Unique Objects within an Array of Objects by the Objects' Contents

One-Liner to Use Set with an Array of Objects Unique Objects.js

const uniqueObjectsOneLiner = [
  ...new Set(objectsArray.map((o) => JSON.stringify(o))),
].map((string) => JSON.parse(string))
console.log(`${uniqueObjectsOneLiner.length} objects`)
// Output: 2 objects
console.log(...uniqueObjectsOneLiner)
// [ { id: 1, emoji: "🎸" }, { id: 2, emoji: "🎷" } ]