How to use reduce() Method In Javascript
We are going to use the Javascript reduce() method to find the sum of the array.
Example: This example shows the above-explained approach.
// Creating array
let arr = [4, 8, 7, 13, 12]
// Using reduce function to find the sum
let sum = arr.reduce(function (x, y) {
return x + y;
}, 0);
// Prints: 44
console.log("Sum using Reduce method: " + sum);
Output
Sum using Reduce method: 44
How to find the sum of all elements of a given array in JavaScript ?
Finding the sum of all elements in a given array in JavaScript involves iterating through the array and accumulating the values using a loop or array method like reduce(). This process yields the total sum of all array elements.
Below all the approaches are described with a proper example:
Table of Content
- Using for loop
- Using forEach() Method
- Using reduce() Method
- Using Recursion
- Using Lodash _.sum() Method
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