Preface
One of the hardest problems to solve when we build the user interface is to synchronize data that developers manage behind the scenes, in the code, and data that is shown to the user. The first step that developers made was to separate the presentation and the logic. That separation allowed developers to manage both sides better and separately. But communication between these two layers still became hard. That was because JavaScript was considered a non-important language and we used to use it just for validation. Then jQuery gave us a clue about how powerful this language could be. But still data was managed in the server and we just displayed static presentations. That makes the user experience poor and slow.
Over the last few years, ...
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