When you open DevTools, you are simply attaching DevTools to your open browser tab. If you come from a browser Developer Tools background, you might not be used to "launching from your tool," since your browser instance is already open. Depending on your workflow, it can be confusing to know what type of configuration is appropriate for your project. In VS Code, there are two core debugging modes, Launch and Attach, which handle two different workflows and segments of developers. Review all automatically generated values and make sure that they make sense for your project and debugging environment. If you see green squiggles in your launch configuration, hover over them to learn what the problem is and try to fix them before launching a debug session. Hover help is also available for all attributes.ĭo not assume that an attribute that is available for one debugger automatically works for other debuggers too. You can use IntelliSense suggestions ( ⌃Space (Windows, Linux Ctrl+Space)) to find out which attributes exist for a specific debugger.
Note that the attributes available in launch configurations vary from debugger to debugger.
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The VS Code Status Bar is purple if you do not have a folder open. Note: You can debug a simple application even if you don't have a folder open in VS Code, but it is not possible to manage launch configurations and set up advanced debugging. vscode folder and added the launch.json file to your workspace. If you go back to the File Explorer view ( ⇧⌘E (Windows, Linux Ctrl+Shift+E)), you'll see that VS Code has created a. Here is the launch configuration generated for Node.js debugging: VS Code will try to automatically detect your debug environment, but if this fails, you will have to choose it manually: To create a launch.json file, click the create a launch.json file link in the Run start view. vscode folder in your workspace (project root folder) or in your user settings or workspace settings. VS Code keeps debugging configuration information in a launch.json file located in a. However, for most debugging scenarios, creating a launch configuration file is beneficial because it allows you to configure and save debugging setup details. To run or debug a simple app in VS Code, select Run and Debug on the Debug start view or press F5 and VS Code will try to run your currently active file.
The top-level Run menu has the most common run and debug commands: If running and debugging is not yet configured (no launch.json has been created), VS Code shows the Run start view. The Run and Debug view displays all information related to running and debugging and has a top bar with debugging commands and configuration settings. You can also use the keyboard shortcut ⇧⌘D (Windows, Linux Ctrl+Shift+D). To bring up the Run and Debug view, select the Run and Debug icon in the Activity Bar on the side of VS Code. Once you have a simple application set up, this page will take you through VS Code debugging features.
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You can follow the Node.js walkthrough to install Node.js and create a simple "Hello World" JavaScript application ( app.js). It is helpful to first create a sample Node.js application before reading about debugging. The following documentation is based on the built-in Node.js debugger, but most of the concepts and features are applicable to other debuggers as well. Select an extension tile above to read the description and reviews to decide which extension is best for you. Tip: The extensions shown above are dynamically queried. Configure IntelliSense for cross-compiling.
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