IntelliJ IDEA generates a debug configuration and starts a debugging session through it. Open the HTML file that references the JavaScript to debug or select the HTML file in the Project tool window.įrom the context menu of the editor or the selection, choose Debug. Set the breakpoints in the JavaScript code, as required.
All the project files are served on the built-in server with the root URL with respect to the project structure. This server is always running and does not require any manual configuration. IntelliJ IDEA has a built-in web server that can be used to preview and debug your application. See Live Edit in HTML, CSS, and JavaScript for details.ĭebug an application that is running on the built-in server
To have the changes you make to your HTML, CSS, or JavaScript code immediately shown in the browser without reloading the page, activate the Live Edit functionality.
Make sure the JavaScript and TypeScript and JavaScript Debugger required plugins are enabled on the Settings/Preferences | Plugins page, tab Installed, see Managing plugins for details.Ĭonfigure the built-in debugger as described in Configuring JavaScript debugger. The instructions below walk you through the basic steps to get started with this debugger. IntelliJ IDEA provides a built-in debugger for your client-side JavaScript code.ĭebugging of JavaScript code is only supported in Google Chrome and in other Chromium-based browsers.