Easing can really bring life to an effect. Easing controls how an animation progresses over time by manipulating its acceleration. jQuery has two built-in easing methods: linear and swing. While they get the job done, they are pretty boring when compared to what’s made available through the jQuery easing plugin.
The jQuery easing plugin offers 30 different easing methods, courtesy of Robert Penner’s easing equations. Let’s check some of them out.