fill
The fill() function fills a portion of an array with a given value and returns a modified copy.
Interactive example
Syntax
Classic signature
typescript
function fill<
GenericElement extends unknown
>(
input: readonly GenericElement[],
element: GenericElement,
start: number,
end: number
): GenericElement[];Curried signature
typescript
function fill<
GenericElement extends unknown
>(
element: GenericElement,
start: number,
end: number
): (input: readonly GenericElement[]) => GenericElement[];Parameters
input: Source array.element: Value that replaces each element of the targeted section.start: Start index (inclusive).end: End index (exclusive).
Return value
A new array whose section [start, end) contains element. The rest of the array remains unchanged.