Does jQuery internally convert HTML5 data attribute keys to lowercase?

Question

I am trying to conform my JavaScript coding style to my Zend coding style as much as possible, which is using camelCase. So, in my HTML5 data attributes, I am naming them a

Answer 1

If you use

data-action-method="delete"

then you can access the attribute with

$('.action').data('actionMethod')

This is part of the HTML5 DOM API:

The custom data attributes is transformed to a key for the DOMStringMap entry with the following rules:

• any dash (U+002D) is removed;
• any letter following a dash (U+002D), before its removal, is set in its uppercase counterpart.