If you're looking to test your HTML knowledge (and who isn't?), take a trip to the justsayhi website. How many elements can you name in five minutes?
As an aside, the JavaScript built into the test is simple but perfect -- an idea carried out well.
Feature detection via JavaScript is a client side best practice and for all the right reasons, but unfortunately that same functionality hasn't been available within CSS. What we end up doing is repeating the same properties multiple times with each browser prefix. Yuck. Another thing we...
One event that's always been lacking within the document is a signal for when the user is looking at a given tab, or another tab. When does the user switch off our site to look at something else? When do they come back?
One of the sweet effects made easy by JavaScript frameworks like MooTools and jQuery is animation. I ran across this great jQuery tutorial that walks you through animating a background image of a page. Here's a quick MooTools code snippet that...
Once concept I'm very fond of is lazy loading. Lazy loading defers the loading of resources (usually images) until they are needed. Why load stuff you never need if you can prevent it, right? I've created LazyLoad, a customizable MooTools plugin that...
I make only 25 (the shame is over me :-D). I don’t know or remenber the existence of BDO, COLGROUP, ISINDEX, KBD, OPTGROUP, Q, SAMP, TT and VAR. The others i have a simple mind blank.