Node.js is a popular open-source, cross-platform JavaScript runtime environment that allows developers to build server-side applications with JavaScript. Running Node.js on your computer is relatively simple and can be done in a few steps.
Step 1: Install Node.js
The first step to running Node.js is to install it on your computer. You can download the latest version of Node.js from the official website (https://nodejs.org/). Choose the version that corresponds to your operating system and download the installer.
Step 2: Check Node.js version
Once you have installed Node.js, you can check the version by opening a command prompt (on Windows) or terminal (on Mac or Linux) and typing the following command:
node -v
This will display the version of Node.js that you have installed on your computer.
Step 3: Create a Node.js file
Next, you will need to create a Node.js file. Open a text editor and create a new file with a .js extension. For example, you can create a file called app.js.
Step 4: Write some JavaScript code
Now that you have created a Node.js file, you can write some JavaScript code to run. For example, you can write the following code to print “Hello, world!” to the console:
console.log(“Hello, world!”);
Step 5: Run the Node.js file
To run the Node.js file, open a command prompt or terminal and navigate to the directory where the file is saved. Then, type the following command:
node app.js
This will run the app.js file, and the output should be displayed in the console.
Conclusion
Running Node.js is an essential skill for any JavaScript developer who wants to build server-side applications. By following the steps outlined above, you should be able to run Node.js on your computer and start building your own applications.