Javascript Tutorial 17 Join Array 1YsE4U47Kx4

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 (,). Summary: in this tutorial, you’ll learn how to use the JavaScript Array join() method to concatenate all elements of an array into a string separated by a separator.

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