The most commonly used JavaScript effect on the Web is the image ... Now that you’ve seen how simple adding a rollover image can be, aren’t you glad you didn’t spend several hundred dollars ...

In the previous lesson, I showed you how to do a simple image rollover ... this code should look familiar if you read the previous JavaScript lesson about making a single rollover.

It’s also the name of the replacement — introduced with Java 8 — for the old, slow Rhino JavaScript engine. Both Rhino and Nashorn are implementations of the JavaScript language written to ...