GraphQL is a new and exciting API for ad hoc queries and manipulation. It is extremely flexible and provides many benefits. It is particularly suitable for exposing data organized as graphs and trees. Facebook developed GraphQL in 2012 and open-sourced it in 2015.

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After completing the first three tutorials of the series, you should now be very comfortable with a lot of Anime.js features. The first tutorial showed you how to select target elements. In the second tutorial, you learned about different types of parameters that can be used to have fine control over the delay and duration of animations of different elements.

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In the first tutorial of the Anime.js series, you learned about different ways of specifying the target elements that you want to animate and the kinds of CSS properties and DOM attributes that can be animated. The animations in the previous tutorial were very basic. All the target elements were just moving a certain distance or changing the border radius at a fixed speed.

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Anime.js is a lightweight JavaScript-based animation library. You can use it to animate different CSS properties, SVG or DOM attributes on a webpage. The library allows you to control all aspects of the animation and provides a lot of ways for you to specify the elements that you want to target or the properties that you want to animate.

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In the third tutorial of the series, you learned about different methods and properties of the Body module in Matter.js. The Body module enables you to manipulate simple bodies like circles, rectangles, and trapeziums. Matter.js also has other modules to help you create and manipulate some complex but common composite bodies like cars, chains, pyramids, stacks, and soft bodies.

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In the previous tutorial of the series, you learned about the World and Engine modules in Matter.js. The methods available in these two modules are meant to control the behavior of multiple bodies or the whole world at once. However, at some point it will become necessary to have control over the properties of individual bodies in your world.

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