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.

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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 jQuery, I do less array manipulation than I had done with Prototype. Perhaps jQuery has altered my development pattern so I no longer need array manipulation, or perhaps I have shifted most of my data manipulation to the server. Whatever the case, I have only on occasion missed the Prototype array methods.

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