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 ...

As always, only use this code if the browser you’re designing for supports image manipulation via JavaScript (that is, Netscape 3 or later and Internet Explorer 4 or later). So, this code starts ...

[jklmnn] drew inspiration from the work of [Ange Albertini] who has documented a way to hide Javascript within the header of a .gif file. Not only does it carry the complete code but both image ...

preload this image for faster response time, we simply create a new Image() object, called heavyImage , and load it simultaneously to the page with the onLoad() event handler: ...

Those technically inclined can run the code locally ... Include any extra CSS and JavaScript in the html file. If you have any images, load them from Unsplash or use solid colored rectangles.