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Node.js β forEach() Method
The forEach() method in Node.js is used for iterating over a set of given array items. One can iterate over all the values of the array one-by-one using the forEach array loop.
Syntax
arrayName.forEach(function)
Parameters
- function − The function takes input for the method that will be executed.
- arrayName − Array that will be iterated.
Example 1
Create a file "forEach.js" and copy the following code snippet. After creating the file, use the command "node forEach.js" to run this code.
// forEach() Demo Example
// Defining a vehicle array
const vehicleArray = ['bike', 'car', 'bus'];
// Iterating over the array and printing
vehicleArray.forEach(element => {
console.log(element);
});Output
C:\home
ode>> node forEach.js bike car bus
Example 2
// forEach() Demo Example
// Defining a vehicle array
const array = [1,2,3,4,5,6,7,8,9];
var sum=0;
// Iterating over the array and printing
array.forEach(element => {
sum += element;
});
console.log(sum);Output
C:\home
ode>> node forEach.js 45
Updated on: 17-Aug-2021
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