How to make smooth animation?

Here is the code https://codepen.io/JonKofee/pen/mBMLYB

How to make the interest were added not jerky, but smoothly?
June 14th 19 at 20:46
1 answer
June 14th 19 at 20:48
For animations of different kinds have a great library GreenSock

There are different functions "smooth animation", Timings and much more.

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