Web developers may already have heard of Yahoo's new AJAX and DHTML framework. Maybe not - Yahoo! User Interface (YUI) has yet not gained popularity similar to Script.aculo.us, Prototype or Mootools. But it certainly will. Spot on - Smashing Magazine introduces Yahoo's User Interface framework. Editor's note: be aware that libraries and frameworks often tend to generate not "optimal", sometimes even bloated code. In YUI's case especially if you use YUI Grids you might end up with dozens of ...