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TypeScript - average value calculation using array reduce()
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In this article, we would like to show you how to calculate the average value with reduce() method in TypeScript.
Runnable example:
const calculateAverage = (array: number[]): number => {
const sum = array.reduce((a: number, b: number): number => a + b);
return sum / array.length;
};
// Usage example:
const numbers: number[] = [10, 20, 30];
const average: number = calculateAverage(numbers);
console.log(average); // 20
Output:
20