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Web Animation using JavaScript: Develop and Design by Julian Shapiro

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Chapter 7. Animation Performance

Performance affects everything. Increased performance—apparent or real—drastically improves UX, which in turn boosts your company’s bottom line. Several major studies have demonstrated that latency increases on search engines result in significant decreases in revenue per user. To put it bluntly, people hate waiting.

As explained in Chapter 1, JavaScript animation performance is comparable to that of CSS animation. So, if you’re using a modern animation library such as Velocity.js, the performance of your animation engine is not your app’s bottleneck—it’s your own code. That’s what this chapter explores: techniques for coding high-performance animations across all browsers and devices.

The reality of web performance ...

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