Sep 15, 2008 · Press the F12 function key in the Chrome browser to launch the JavaScript debugger and then click "Scripts". Choose the JavaScript file on top and place the breakpoint to the debugger for the JavaScript code.

May 22, 2024 · With console.log(), you need to manually open the source code, find the relevant code, insert the console.log() statements, and then reload the page in order to see the messages in the Console. With breakpoints, you can pause on the relevant code without even knowing how the code is structured.

Aug 2, 2024 · Chrome developer tools, also known as dev tools, are a set of the most powerful debugging tools that are integrated into Google Chrome's web browser. It helps developers understand the webpages in depth in real time by allowing them to analyze, inspect, and debug the code step by step.

Jun 26, 2022 · Debugging is the process of finding and fixing errors within a script. All modern browsers and most other environments support debugging tools – a special UI in developer tools that makes debugging much easier. It also allows to trace the code step by step to see what exactly is going on.

Mar 25, 2023 · To start using them you just need to open the page to test in Chrome browser and open Chrome DevTools. You can do it in many ways: Right-click on any element on the page and choose Inspect option from menu

Aug 7, 2022 · This article teaches you how to debug JavaScript code using the Chrome DevTools. You will learn how to debug one specific issue, but the general workflow can help resolve all types of errors in your code.

Oct 30, 2024 · Let's take a look at how you can debug JavaScript with the Chrome developer tools. To get started, I’ve prepared some buggy code that should add four numbers and also get their average. Here's the HTML of the code: Here's the very minimal CSS to push the labels to their respective lines and enlarge the input elements and button a bit:

Aug 31, 2022 · When debugging or profiling Web applications in DevTools, you currently get to see and debug this compiled version of your code instead of the code you actually wrote. As an author, this is not want you want, though: You don’t want to debug minified JavaScript code, you want to debug your original JavaScript code.

Feb 16, 2025 · One easy way to open Chrome's developer tools is to follow these two steps: Right-click on the page; Select Inspect in the menu; Chrome will then show a sidebar for the current page, showing tabs like Elements, Console, Sources, Network, and more.

Jan 23, 2025 · In this article, we’ll cover the essential steps to debug JavaScript on Chrome, including how to use the Chrome DevTools, how to use the browser’s console, and how to use the JavaScript console. Step 1: Set up Chrome DevTools. Before you can start debugging your JavaScript code, you need to set up Chrome DevTools. Here’s how: