Let first = [{x: 15}] let second = first.slice() second[0].x = 0 console.log(first) как

Question

сделать чтобы first оставался нетронутым?

0

13.06.2020

15 просмотров

const second = JSON.parse(JSON.strigify(first[0])) second.x = 0

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13.06.2020

const first = [{ x: 15 }] const second = first.map(el => ({ ...el, x: 0 })) console.log(first) // [{ x: 15 }] console.log(second) // [{ x: 0 }]

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13.06.2020

Taras Postoliuk · Accepted Answer

Let second = {...first}

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13.06.2020