Node.js prerequisite in Cypress

Introduction

Node.js is needed to run Cypress tests because Cypress uses Node.js to control browsers and run test scripts.

Before installing Cypress for the first time on your computer.

When setting up a new project that will use Cypress for testing.

If you want to run Cypress tests on your local machine.

When you need to update Node.js to meet Cypress version requirements.

Syntax

Cypress

node -v
npm -v

Use node -v to check if Node.js is installed and see its version.

Use npm -v to check if Node Package Manager is installed, which comes with Node.js.

Examples

This command shows the installed Node.js version.

Cypress

node -v
// Output example: v20.1.0

This command shows the installed npm version.

Cypress

npm -v
// Output example: 9.6.7

Sample Program

This simple check ensures Node.js and npm are installed and ready for Cypress.

Cypress

// Check Node.js and npm versions before running Cypress
// Run these commands in your terminal
node -v
npm -v

Important Notes

Cypress requires Node.js version 18 or higher to work properly.

Installing Node.js also installs npm, which helps manage Cypress and other packages.

You can download Node.js from the official website: https://nodejs.org/

Summary

Node.js must be installed before using Cypress.

Check Node.js and npm versions with node -v and npm -v.

Use the official Node.js website to download and install the latest version.