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This article mainly introduces how to use Array constructor and unfold operator to copy array in JavaScript. It is very detailed and has certain reference value. If you are interested, you must finish it.

Use the Array constructor and the expansion operator const numbers = [1, 2, 3, 4, 5]; const copy = new Array (.. array); copy.push (6); / / add a new entry to prove that the original array console.log (copy); console.log (numbers) will not be modified / / output / / [1, 2, 3, 4, 5, 6] / / [1, 2, 3, 4, 5] are all the contents of the article "how to use Array constructors and expansion operators in JavaScript to copy arrays". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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