structuredClone 伟大无需多言,直接用就行,原生自带

const mushrooms1 = {
  amanita: ["muscaria", "virosa"],
};

const mushrooms2 = structuredClone(mushrooms1);

mushrooms2.amanita.push("pantherina");
mushrooms1.amanita.pop();

console.log(mushrooms2.amanita); // ["muscaria", "virosa", "pantherina"]
console.log(mushrooms1.amanita); // ["muscaria"]
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