Javascript deep copy object implementation

Medium

Which of the following implementations creates a deep copy of an object?

ObjectsDeep copyJavascript

1const obj = { a: 1, b: { c: 2 } };
2
3const deepCopy = (source) => {
4  // Your implementation here
5};
6
7const copiedObj = deepCopy(obj);
8copiedObj.b.c = 42;
9console.log(obj.b.c); // Should remain 2

Which of the following implementations creates a deep copy of an object?

Hint