[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Animation](./puppeteer.protocol.animation.md) > [AnimationEffect](./puppeteer.protocol.animation.animationeffect.md) > [easing](./puppeteer.protocol.animation.animationeffect.easing.md) ## Protocol.Animation.AnimationEffect.easing property `AnimationEffect`'s timing function. Signature: ```typescript easing: string; ```