average

Returns the average of an array of numbers.

Note: Throws an error if the array is empty. This ensures that a meaningful average can always be computed.

Parameters

• values (number[]): An array of numeric values to be averaged.

Throws

• Error: If the input array is empty.

Returns

• number: The calculated average (sum of values divided by the count).

Usage

average([1, 2, 3, 4, 5]);
// 3

average([10, 20]);
// 15

average([]);
// ❌ Error: Array must not be empty