Returns a new array where all items equal to itemToReplace (by reference) are replaced.
itemToReplace
The source array.
The item to look for.
The item to substitute in its place.
replaceArrayItem([1, 2, 3, 2], 2, 99) // => [1, 99, 3, 99] Copy
replaceArrayItem([1, 2, 3, 2], 2, 99) // => [1, 99, 3, 99]
Returns a new array where all items equal to
itemToReplace(by reference) are replaced.