What’s the best way to test JavaScript code quickly in a browser?

General Discussions
#1

What’s the best way to test JavaScript code quickly in a browser? Do I need a localhost on my computer for this, and if so, how can I create one?

#2

Most modern browsers have built-in developer tools that allow you to test JavaScript code directly in the console. You can access it by right-clicking on a webpage and selecting “Inspect” or by pressing F12 or Ctrl+Shift+I.

In the “Console” tab, you can enter your JavaScript code and see the output immediately.

console.log(“Hello, world!”); // Type this in the console and press Enter

#3

Web-based code editors like JSFiddle, CodePen, or JSBin allow you to test javascript code without setting up anything locally.

You can write your code in the provided editor, and they provide instant previews of the output.

  1. Go to one of these sites (e.g., JSFiddle(https://jsfiddle.net/)).
  2. Enter your JavaScript code and run it to see the results.
#4

If you prefer testing in a local environment, you can create a localhost using tools like Node.js or by using a code editor extension.

For example, if you’re using Visual Studio Code, you can install the Live Server extension to serve your files locally.

  1. Install Node.js( https://nodejs.org/) if you haven’t already.
  2. Open your terminal or command prompt and run: npm install -g live-server
  3. Navigate to your project directory in the terminal and run: live-server
  4. This will open your default browser and serve your files locally, allowing you to test javascript code as you make changes.