JavaScript Made Easy: How to Make a Simple Image Rollover. By Dori Smith. JAN 31, 2001 4:00 pm PST. ... This line checks to see if the JavaScript code can detect any images on the page.

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 ...

Here’s an interesting proof-of-concept that could be useful or hazardous depending on the situation in which you encounter it. [jklmnn] drew inspiration from the work of [Ange Albertini] who … ...