Dos formas de unir objetos en JavaScript

const animales = {
hamster: '🐹',
koala: '🐨',
leon: '🦁',
perro: '🐶'
};
const insectos = {
mosca: '🪰',
abeja: '🐝',
mosquito: '🦟',
hormiga: '🐜'
};
const resultado = { ...animales, ...nombres };
const resultado2 = Object.assign({}, animales, nombres);
Object {
abeja: "🐝",
hamster: "🐹",
hormiga: "🐜",
koala: "🐨",
leon: "🦁",
mosca: "🪰",
mosquito: "🦟",
perro: "🐶"
}

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