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OpenLayers 3 : Beginner's Guide by Erik Hazzard, Paul Spencer, Thomas Gratier

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Time for action – using the JavaScript console

We noted at the end of the previous example that the map wasn't working normally. We replaced the default controls and interactions and so the default behavior wasn't present any more. Let's take a moment to try to fix this. In many cases, mistakes or oversights in our code will produce unexpected results. Web developers have a number of tools available to help them diagnose and fix these problems. In this example, we'll work with the Developer Tools available in the Chrome browser. Similar tools exist for all major browsers; if you are not using Chrome, you should still be able to follow along using your browser's Developer Tools. With the previous example open in your browser, let's get started: ...

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