JavaScript package offers a smarter way to serve hi-res images Adam Bradley’s clever Foresight.js checks for screen resolution and network … ...

JavaScript-loaded images can be indexed, Google's Martin Splitt confirms. Learn common indexing issues and best practices to ensure your JS images appear in search.

event types. Loading multiple images with arrays In practice, you will probably need to preload more than just one image; for example, in a menu bar containing multiple image rollovers, ...