YUI Compressor is an excellent JavaScript minifier and obfuscator. But every good thing comes with its compromises. While this tool prides itself on getting some of the best minification numbers I've seen, it's also very reliable. Your code gets smaller but will almost definitely work the same. While a few tools out there find trouble with eval ...

If you haven’t already made it over to our DotImage 7.0 AJAX Annotations Demo, I  encourage you to take a look.  This demonstrates our new JavaScript annotation editors, which are based on the client side Canvas object.  We’re keeping with our zero-footprint tradition, and supporting most browsers: Internet Explorer 6-8, Firefox ...

ButtonGroups in YUI are fairly quick to implement, have a nice look, and act the way most people expect.  I’ve been surprised to find out that there are no options available to use images in place of the text on the Buttons inside the ButtonGroup. In our most recent AJAX Photo Viewer Demo, I decided to use a ButtonGroup for the main mouse ...

Yesterday I read an informative article on how to get started using YUI Test to write unit tests for JavaScript, by Nicholas C. Zakas.  After reading this article, I decided to give it a try, by testing some functions of the WebImageViewer and the WebThumbnailViewer controls. It took me all of about 15 minutes to write this ...

This is Part 3 of a multi-part blog series. The OnDemand method The Interval method The Interval Opacity method On the previous two slider examples, I used a YUI slider that had a range from -100 to 100, with a total of 201 possible values.  Both of these examples still have some disconnect from the action ...

This is Part 2 of a multi-part blog series. The OnDemand method The Interval method The Interval Opacity method On the previous slider example, I used a YUI slider that had a range from -100 to 100.  This is a total of 201 different combinations for one image dialog, and that's about 10-20 times more ...

This is Part 1 of a multi-part blog series. The OnDemand method The Interval method The Interval Opacity method One of the most common dialogs in an image editor application is the slider with preview.  When you move these applications over to the Web, you end up losing some of the user experience because of the asynchronous ...

One of the easiest usability improvements that can be made to an imaging application, is the ability to hide the thumbnails from view when they are no longer needed.  Most users would prefer to see as much of the image, and as little of the application on the screen as possible. Using YUI's Animation Utility, you can accomplish ...