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Finding the product of array elements with reduce() in JavaScript
Problem
We are required to write a JavaScript function that takes in an array arr. Our function should find and return the product of all the elements of the array.
Example
Following is the code −
const arr = [3, 1, 4, 1, 2, -2, -1]; const produceElements = (arr = []) => { const res = arr.reduce((acc, val) => { acc = acc * val; return acc; }, 1); return res; }; console.log(produceElements(arr));
Output
Following is the console output −
48
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