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Dart: Scalable Application Development by Ivo Balbaert, Sergey Akopkokhyants, Davy Mitchell

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Debugging your app in JavaScript for Chrome

In this recipe, we will examine how to debug your app in the Chrome browser.

How to do it…

  1. From the menu in the upper right-hand corner, select Tools and then Developer Tools.
  2. Verify via Settings (which is the wheel icon in the upper right corner of the Developer Tools section) that the Enable JavaScript source maps option is turned on. Make sure that debugging is enabled, either on all the exceptions or only on uncaught exceptions.
  3. Choose Sources in the Developer Tools menu, then press Ctrl + O to open a file browser and select the Dart script you wish to debug.

    Note

    Clicking on the left margin before a line of code places a breakpoint, which is indicated by a fat blue arrow.

  4. Now reload the application and ...

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