rangeRight
Returns an array of numbers from end
to start
, decrementing by step
.
If step
is not provided, it defaults to 1
. Note that step
must be a non-zero integer.
Signature
typescript
function rangeRight(end: number): number[];
function rangeRight(start: number, end: number): number[];
function rangeRight(start: number, end: number, step: number): number[];
Parameters
start
(number
): The starting number of the range (inclusive).end
(number
): The end number of the range (exclusive).step
(number
): The step value for the range. (default:1
)
Returns
- (
number[]
): An array of numbers fromend
tostart
with the specifiedstep
.
Examples
typescript
// Returns [3, 2, 1, 0]
rangeRight(4);
// Returns [15, 10, 5, 0]
rangeRight(0, 20, 5);
// Returns [20, 15, 10, 5, 0]
rangeRight(0, 21, 5);
// Returns [-3, -2, -1, 0]
rangeRight(0, -4, -1);
// Throws an error: The step value must be a non-zero integer.
rangeRight(1, 4, 0);