Finding information about features that are supported in the current environment

Each device and platform offers a rich set of functionality. However, it is difficult to identify a set of features which are available across devices and platforms. In addition, even if we happen to find out the list of common features, there may be reasons where you may want to use a feature on a device which is not present on other devices and you would make your application work on those devices by performing the best approximation of that specific feature. For example, on a device if SVG is supported, you may want to make use of that feature in your application to render images using it, so that they are scalable. However, if another device does not support SVG, ...

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