This function returns a new list where each item in the list is unique. If duplicated items are found, the first item will be retained.
An item in the list is marked as a duplicate when an item is compared as equal to another item using the
This function does not generate a change.
Returns a new list where each item in the list is unique. The original list stays untouched.
This code shows an example of unique():
["tic", "tac", "tic", "toe"].unique(); // the second `tic` will not be retained in the new list
Return value in JSON format
[ "tic", "tac", "toe" ]