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Learning Firefox OS Application Development by Tanay Pant

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Checking responsiveness with responsive design view

As mentioned earlier, it is really important to thoroughly test if your application is design responsive. Earlier, developers had to take care of this task by resizing their browser windows, but thankfully, Firefox offers Responsive Design View in its arsenal of developer tools. You can go over to responsive design view by navigating to Tools | Web Developer | Responsive Design View. This allows you to check your applications by testing them in some preset sizes of mobile devices. You can also set a custom size by dragging the corners of the mobile responsive view to test the elements. It allows other options, such as displaying the page in landscape mode at the device size that you have set ...

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