Learning jQuery

The .append() method is perhaps the most misused of all jQuery methods. While an extremely useful and easy method to work with, it dramatically affects the performance of your page. When misused, the .append() method can cripple your JavaScript code’s performance. When used well, it’ll keep your script humming along.

One of the biggest concerns I’ve heard mentioned from users of the Prototype library about jQuery is the lack of support for various array methods. The robust features Prototype provides for arrays is of great benefit to developers that do a lot of array manipulation in their JavaScript. However, I find that after moving to […]

Although jQuery has a nice set of slide methods — .slideDown(), .slideUp(), and .slideToggle() — sometimes we may want to slide an element in a different direction. Fortunately, it’s pretty easy to do.

Two years ago I made the somewhat immodest claim that 2007 would be the “Year of jQuery.” Since then, jQuery‘s popularity has grown in ways that none of the core contributors could have imagined. Now I’m ready to make another bold pronouncement: 2009 will be the year of jQuery UI. Here’s why:

If you haven’t poked around under the hood of jQuery, you might not be aware that when you pass the jQuery function an expression or DOM element it places these elements (or, possibly a single element) into an object, and then this object is returned so that it can be chained. Without getting into the […]

Somebody on the jQuery Google Group asked the other day about toggling a checkbox within a table row when the user clicked anywhere within the row. This can be a nice feature to have, and it’s also very straightforward to implement.