d3.easeQuadOut(t) Reverse quadratic easing; equivalent to 1 -

poly.exponent(e) Returns a new polynomial easing with the specified exponent e. For example, to create equivalents

elastic.period(p) Returns a new elastic easing with the specified period p.

d3.easeSinIn(t) Sinusoidal easing; returns sin(t).

d3.easeBack(t) d3.easeBackInOut(t) Symmetric anticipatory easing; scales

d3.easePoly(t) d3.easePolyInOut(t) Symmetric polynomial easing; scales

d3.easeElasticIn(t) Elastic easing, like a rubber band. The

d3.easeQuad(t) d3.easeQuadInOut(t) Symmetric quadratic easing; scales

d3.easeBounceInOut(t) Symmetric bounce easing; scales

d3.easeCircleIn(t) Circular easing.