Use a browser with developer tools built in (Chrome, Safari) or the Firebug extension (Firefox, Internet Explorer, Opera). Navigate to the web page you want to learn about.

Like legacy Edge, the new Chromium-based Edge development tools help you examine the HTML, CSS, and JavaScript in your site, with a JavaScript debugger and a console for viewing console logging ...

Whether you need to manipulate DOM elements, inspect CSS styles, edit HTML elements or step through JavaScript the browser developer tools make it easy to do.

Why it’s cool: Developer Tools is Google’s answer to Firebug for Firefox, but there’s no add-on to download: Google built it right into the Chrome browser.

Microsoft Edge includes improved network tools and features in F12 Developer Tools for the browser in Windows 11/10. We take a look at them.

Microsoft has announced general availability of its new Microsoft Edge Tools for VS Code extension, which lets developers embed Edge's browser developer tools into Microsoft's popular cross ...

JavaScript Object Notation (JSON) is becoming a popular data interchange format for modern web applications. Many of the mainstream microblogging and social networking web sites use it to supply ...

Apple today announced it’s expanding its efforts in the area of web development, with the launch of a new version of its Safari web browser, designed specifically for developers. Called Safari ...