[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Animation](./puppeteer.protocol.animation.md) > [AnimationEffect](./puppeteer.protocol.animation.animationeffect.md) > [duration](./puppeteer.protocol.animation.animationeffect.duration.md) ## Protocol.Animation.AnimationEffect.duration property `AnimationEffect`'s iteration duration. Signature: ```typescript duration: number; ```