Global function structuredClone()

The global structuredClone() method creates a
deep clone of a given value.

Syntax

structuredClone(value)
structuredClone(value, options)

Examples

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"]