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Maquette

Maquette is a Javascript utility which makes it easy to synchronize the DOM tree in the browser with your data. It uses a technique called 'Virtual DOM'. Compared to other virtual DOM implementations, maquette has the following advantages:

• It is very lightweight (3.7Kb gzipped)
• It allows changes to be animated
• It makes your frontend easy to unit-test

Visit the website for more information.