The most commonly used JavaScript effect on the Web is the image rollover. For the one person with access to the Web who’s never seen one before, an image rollover happens when you move your ...

The first image (before rollover) has been given the name button1.This code says that the chgImg function is called by both the onMouseover and onMouseout event handlers, both of which pass ...

As soon as you create the Image object, and set it's source, the browser starts to download. This is done asyncronously. That is, the x.src = "foo.gif" setting, doesn't halt the browser, until the ...

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.

A WebmasterWorld thread has discussion around getting Google to index a popular image feature sites use to show off images on their web site. It is called Lightbox JS and it basically uses ...

Convert any page (with images, JavaScript, etc.) into a locally stored iPhone app with new script Ben Wilson. See full bio. Ben Wilson July 25, 2007 12:00 a.m. PT. 2 min read.