key
is pretty much crucial for state perservation in React. As of React 0.13 it can't do the following things:
- Clone state
<Comp key={1} /><Comp key={1} />
- Preserve component state across different parents:
key
is pretty much crucial for state perservation in React. As of React 0.13 it can't do the following things:
<Comp key={1} /><Comp key={1} />
Service | SSL | status | Response Type | Allowed methods | Allowed headers |
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// Performance tests such as Google Lighthouse often complain about below the fold images while lazy loading | |
// techniques may introduce a flash effect for images on bigger screens | |
// This snippet shows a solution to instantly display images as if loaded using src="" while maintaining | |
// the lazy loading benefit on smaller screens. | |
// Tip: a second and potentially better technique is to rewrite lazy loaded images to regular src="" images in a Service Worker. | |
// this snippet depends on in-view (5kb) | |
// @link https://github.com/camwiegert/in-view/ |