Performs a bitwise OR operation on one or more integers.
or(value1, [value2, ...])
Single value, returns itself
or(5); // returns 5
Bitwise OR of 5 (0101) and 3 (0011) → 0111
or(5, 3); // returns 7
Bitwise OR of 1 (0001), 2 (0010), and 4 (0100) → 0111
or(1, 2, 4); // returns 7