Javascript Array Join Method Explained 7AGTreghLeI

Web Reference: Jul 10, 2025 · The join() method of Array instances creates and returns a new string by concatenating all of the elements in this array, separated by commas or a specified separator string. If the array has only one item, then that item will be returned without using the separator. Description The join() method returns an array as a string. The join() method does not change the original array. Any separator can be specified. The default is comma (,). Jan 16, 2026 · The JavaScript join () method is used to combine all elements of an array into a single string. The elements are separated by a specified separator, with a comma (,) as the default. Does not modify the original array; it returns a new string. You can specify any separator such as " ", "-", or "|".

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