The ease method on the runner takes the same constructor strings as the Ease class, so you can do things like element.animate(1000).ease('-').rotate(360).loop()
Currently typescript throws an error saying that ease only accepts a Function as an argument.
reset(): this\r
finish(): this\r
reverse(r?: boolean): this\r
- ease(fn: Function): this\r
+ ease(fn: Function | string): this\r
active(): boolean\r
active(a: boolean): this\r
addTransform(m: Matrix): this\r