Shulou(Shulou.com)06/01 Report--

Editor to share with you how to use the unfold operator to copy arrays in JavaScript. I hope you will get something after reading this article. Let's discuss it together.

Use the expansion operator const numbers = [1, 2, 3, 4, 5]; const copy = [... numbers]; 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] after reading this article, I believe you have some understanding of "how to use unfold operator copy array in JavaScript". If you want to know more about it, you are welcome to follow the industry information channel. Thank you for reading!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.