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How to use the Array.concat method to copy arrays in JavaScript

Shulou Source: shulou.com Published: 2022-06-01 04:35:18 09月22日 Update

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

Use the Array.concat method const numbers = [1,2,3,4,5]; const copy = numbers.concat (); 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 Array.concat method to copy arrays in JavaScript". If you want to know more related knowledge, welcome to follow the industry information channel, thank you for reading!

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