![]() In some scenarios, the debugger automatically hits breakpoints in JavaScript and TypeScript codes and embedded scripts on HTML files.įor debugging client-side script in ASP.NET apps, choose Tools > Options > Debugging, and then select Enable JavaScript Debugging for ASP.NET (Chrome, Edge, and IE).įor more detailed information, see the blog post Debug JavaScript in Microsoft Edge and this post for Google Chrome. Visual Studio provides client-side debugging support only for Chrome and Microsoft Edge (Chromium). ![]() Using these tools, you can examine the DOM or interact with the app using the JavaScript Console. If you want to use the Chrome Developer Tools, press F12 in the Chrome browser. Now, you can inspect your app state by hovering over variables currently in scope, using debugger windows like the Locals and Watch windows. The debugger pauses at the breakpoint you set (IDE highlights the statement in the yellow background). ![]() To run your app, press F5 ( Debug > Start Debugging). A breakpoint indicates where Visual Studio should suspend your running code, so you can look at the values of variables or the behavior of memory, or whether or not a branch of code is getting run. With your project open in Visual Studio, open a server-side JavaScript file (such as server.js), click in the gutter to set a breakpoint:īreakpoints are the most basic and essential feature of reliable debugging. If you are developing Node.js applications, you need to install the Node.js development workload with Visual Studio. If you haven't already installed Visual Studio, go to the Visual Studio downloads page to install it for free.
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