缓动函数指定随时间变化的速率，在使用 Svelte 的内置转场和动画以及补间和弹簧实用程序时非常有用。 svelte/easing 包含 31 个命名导出、一个 linear 缓动和 10 个不同缓动函数的 3 个变体： in、out 和 inOut。
英Easing functions specify the rate of change over time and are useful when working with Svelte's built-in transitions and animations as well as the tweened and spring utilities. svelte/easing contains 31 named exports, a linear ease and 3 variants of 10 different easing functions: in, out and inOut.
英You can explore the various eases using the ease visualiser in the examples section.
| ease | in | out | inOut |
|---|---|---|---|
| back | backIn |
backOut |
backInOut |
| bounce | bounceIn |
bounceOut |
bounceInOut |
| circ | circIn |
circOut |
circInOut |
| cubic | cubicIn |
cubicOut |
cubicInOut |
| elastic | elasticIn |
elasticOut |
elasticInOut |
| expo | expoIn |
expoOut |
expoInOut |
| quad | quadIn |
quadOut |
quadInOut |
| quart | quartIn |
quartOut |
quartInOut |
| quint | quintIn |
quintOut |
quintInOut |
| sine | sineIn |
sineOut |
sineInOut |