Function isIndex

Checks if a Number is an index of an ArrayLike

Example

Is index in bounds of array?

const result = isIndex(4)([1, 2, 3]);

console.log(result); // false

Example

Works with strings, too

const result = isIndex(3)("test");

console.log(result); // true

Returns

true if the index is between 0 and array.length, otherwise false