Output: spread-copy an object, then change a nested property on the copy
EasyP1Output
What does this code print?
1const original = { name: 'x', tags: { count: 1 } };2const copy = { ...original };3copy.name = 'y';4copy.tags.count = 2;5console.log(original.name);6console.log(original.tags.count);7console.log(original.tags === copy.tags);
Saved automatically
One line per console.log. Arrays as [1, 2, 3], objects as { a: 1 }, an uncaught error as Uncaught TypeError: message (Chrome and Node wording).
Hints
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