In this article, we’ll walk through how to open the developer console and run JS code right in your browser! The steps to opening the console may be slightly different depending on the browser you use as well as your computer’s operating system.

Apr 18, 2018 · This interactive tutorial shows you how to run JavaScript in the Chrome DevTools Console. See Get Started With Logging Messages to learn how to log messages to the Console. See Get Started With Debugging JavaScript to learn how to pause JavaScript code and step through it one line at a time.

Jul 12, 2023 · You can enter any JavaScript expression, statement, or code snippet in the Console, and it runs immediately and interactively as you type. This is possible because the Console tool in DevTools is a REPL environment.

May 1, 2024 · For console outputs, you'll need to peek into the browser's developer tools (hit F12 or right-click and select "Inspect") and check the "Console" tab. While browsers are great for client-side scripts, Node.js lets you run JavaScript on the server side. Head over to nodejs.org and download the appropriate version for your system.

Open any web page in your browser (it could even be the myPage.html file from the previous example, or any website). Type any valid JavaScript code directly into the console prompt and press...

Open the code editor of your choice. Create a new file and start typing your code into the editor. Here’s a simple JavaScript snippet that displays a message in the console: console.log("Hello, World!"). Once you have written your JavaScript code, it’s time to save the file. If you’re using Visual Studio Code, simply use the Ctrl+S shortcut.

Nov 26, 2024 · Here are two common ways to execute JavaScript code: 1. Using the Browser Console. Every modern browser has built-in developer tools that allow you to write and run JavaScript code directly in the console. Example: console.log("Hello, World!"); 2. Embedding JavaScript in an HTML File.

Jul 30, 2024 · It has a console with an interactive environment to write and run JavaScript code in real-time. You can set breakpoints, check variables, and check step-by-step through code. Displays errors and warning messages to identify and fix problems in the code.

May 6, 2023 · How to Run JavaScript in the Browser Console for Specific Browsers. Chrome Browser Console; Firefox Browser Console; Microsoft Edge Browser Console; Safari Web Inspector; Other Resources. Dear Console is a library of useful snippets that can be run from the browser console

Apr 22, 2025 · The console gives us an easy way to run this code on the fly. In addition to running basic operations, you can use the Console to directly interact with your web application. For instance, if you want to update the header text to say “Welcome, {name},” you can do so by executing JavaScript code right in the Console.