Web Reference: Jul 10, 2025 · The concat() method of Array instances is used to merge two or more arrays. This method does not change the existing arrays, but instead returns a new array. Description The concat() method concatenates (joins) two or more arrays. The concat() method returns a new array, containing the joined arrays. The concat() method does not change the existing arrays. In this tutorial, you will learn how to use the JavaScript Array concat () method to merge two or more arrays into a single array.
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The Array Concat Method Javascript Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $83M - $110M
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Last Updated: April 8, 2026
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