Today’s read: The seven deadly sins of JavaScript implementation

A Smashing Magazine article on the common “sins” of JavaScript implementation by Christian Heilmann.

Using JavaScript has become increasingly easy over the last few years. Whereas back in the day we needed to know the quirks of every browser, now many libraries such as jQuery, YUI, Dojo and MooTools allow someone who doesn’t even know JavaScript to spruce up boring HTML documents with impressive and shiny effects. By piggy-backing on the CSS selector engine, we have moved away from the complexity and inconsistencies of the DOM and made things much easier.

If you look at some of the code that has been released, though, we do seem to have taken a step backwards. In gaining easier access, we also became a bit sloppy with our code. Finding clearly structured, easy-to-maintain jQuery code is quite tough, which is why many plug-ins do the same thing. Writing one yourself is faster than trying to fathom what other developers have done.

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