CodeIgniter and jQuery

On the CodeIgniter forum there are quite a few jQuery questions so I'm bringing up some pointers.

jQuery file splitting

One big jquery file is great if you want to save http connections but it's not always the best approach. For instance if you have page specific code that doesn't need to be loaded until the visitor gets on that page.

Once you separated the page specific code into different files you can do two things :
- add the link to the javascript file to your page specific view
- have a variable in your view file and add the link to the javascript file when it's needed.
With the first method you can run into trouble if someone uploads his view without the javascript link. The second method can be a source of bugs if you have a templated site because the variable always needs a value if you add it to the basic lay-out.

Ajax

The relative url is most of the time (/index.php)/controller/method but if you refer to the same controller you can use ../method.

If you are using a get request don't add the parameters using jQuerys build in functionality but add them to the url (controller/method/key/value/key/value) and retrieve the key-value pairs using the CodeIgniter uri->uri_to_assoc method.

My latest jQuery snippets on the CodeIgniter forum

Content to new window
Highlight words using a sentence/keywords on the page
hack for inline links