Filter the input array using .filter() to get only objects having gender as female. Use .reduce() to get the sum of ages. Calculate average by dividing the above calculated sum by the numbers …

Apr 9, 2015 · You can use map/reduce functions of javascript to find average. Reduce will sum them up, and map will find average. var avg = grades.map((c, i, arr) => c / …

Jul 9, 2019 · You can use destructuring in forEach() to just get the food property of the object as that is only the property you are interested with. Despite of dividing inside loop we can have …

May 21, 2024 · Here we define a function to calculate the average of elements in an array using a while loop. It initializes a sum variable, iterates through each element with an index variable, …

Jun 3, 2024 · Computing the sum and average of elements in an array involves iterating through the array, accumulating the sum of its elements, and then dividing the sum by the total number …

Oct 23, 2021 · If you want to calculate on multiple arrays, you can concatenate them using the spread operator const sample = [ ... sample_a, ... sample_b] Now you should be able to …

Aug 24, 2020 · Learn how to calculate the average of specific properties in an array of objects using JavaScript with this comprehensive guide.

Mar 13, 2023 · This succinct, practical article shows you some different ways to find the mean (the average value) of a given array in JavaScript (assuming that the array contains only numeric …

To calculate the total or average of a specific property across all objects in the array, you need to iterate through the array, access the desired property of each object, and perform the …

You'll have to loop through the array, computing the sum and counts for each object. Here's a quick implementation: var sums = {}, counts = {}, results = [], name; for (var i = 0; i < arr.length; …