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Array.prototype.join() ⚬|Documentation|1st|20260814145542-00-⌔
Array.prototype.join() - JavaScript | MDN
Array.prototype.join()
The join() method of
Arrayinstances returns a new string that is the concatenation of all elements in this array, separated by commas or a specified separator string. If the array has only one item, that item’s stringification is returned without using the separator.Printed 2026-08-14.
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