How does lazy loading improve JavaScript performance?
An example of an AI chatbot conversation about JavaScript lazy loading and its performance benefits.
How does lazy loading improve JavaScript performance?
Lazy loading defers the loading of non-essential resources until they're needed, reducing initial load time.
Can you explain how it works in a web application?
Sure! It loads images or scripts only when they enter the viewport, which saves bandwidth and speeds up rendering.
What are the best practices for implementing lazy loading?
Use the Intersection Observer API, set proper loading attributes, and ensure fallback for older browsers.
Are there any downsides to using lazy loading?
Yes, if not implemented correctly, it can lead to content not loading when users scroll, affecting user experience.
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