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Access a Custom HTML Attribute Cross-Browser

by on June 2, 2011

For whatever reason, IE actually got something right.The following works in IE.



Firefox and Chrome require an extra (messy) step when accessing a custom attribute you want to use for javascript – or in my case, jQuery. Despite the fact that adding attributes is just extending the html and should in no way interfere with your page, there is no easy way to access it. And, supposedly, using custom attributes  invalidates xhtml compliance though in actuality your page will stay in xhtml mode.

This is a case where real-world implementation diverges from the nitpicky compliance ideal in favor of functionality.

How to access custom attributes in IE, Firefox, & Chrome

The following will work in all 3 browsers; Though I have not tried Safari.



Hope this helps!

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