average javascript Code Snippet in 2025
matharraybeginner
Last Updated: 17 January 2025
Calculates the average of two or more numbers.
- Use
Array.prototype.reduce()to add each value to an accumulator, initialized with a value of0. - Divide the resulting array by its length.
const average = (...nums) =>
nums.reduce((acc, val) => acc + val, 0) / nums.length;average(...[1, 2, 3]); // 2 average(1, 2, 3); // 2
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