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SelectList 0.4 has just been released. This is a major update which introduces a different (better) approach to how the original multiple selection element is handled and how the plugin stores the selected options.

In the previous versions, the multiple select element was transformed into a single selection drop-down list by stripping off its multiple attribute, so there was no multiple select in the document anymore, and the selected options had to be stored in a series of type="hidden" input elements. However, this turned out to cause significant problems with obtaining the selected values with the core jQuery .val() method, and with serialization through .serialize().

I modified the code so that the original multiple selection element stays hidden in the document and continues to serve as a container for the selected options. This way the .val() and .serialize() methods are unaffected and can be used in the conventional manner.

This solution also has a few drawbacks (for example, it makes validation a bit more complicated), but it’s much easier to work around them than dealing with the quirks of the previous method.

The new version works with jQuery 1.3.2 up to 1.4.4. Oh, and the refactoring also happened to have made it smaller than the previous version.

This entry was posted on Tuesday, December 21st, 2010 at 10:17 pm and is filed under jQuery, selectList. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.