Web Reference: You're effectively returning a modified array that was sliced three times and concatenated together with two objects between the three sliced arrays. You've effectively required more than twice the memory than necessary to get the value to simply assign to the array (none of that was done in place). Jan 23, 2025 · Here are the different methods to swap variables using arrays in JavaScript 1. Using Array Destructuring Array destructuring is the most efficient and modern way to swap variables in JavaScript. This method eliminates the need for a temporary variable. Sep 29, 2022 · In this article, you have learned three methods to swap an array's elements in JavaScript. You can use any method, but it's best to use the ES6 destructuring method as it is far easier for everyone to understand and use.
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