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Selecting Elements in the DOM

Good Afternoon Everyone,

I am attempting to organize the service offering catalog in a manner that is not alphabetical.  I've written some custom Javascript that does allow me to order the Divs based off of a class name.  I have this working correctly on a smaller test environment but when I moved it over to the self service portal it seems that i am unable to select the items using the document.getElementsByClassName('cat') selector.  I have successfully selected other elements in the DOM for some custom css work that I needed so i believe I am targeting the right elements.  I know the script is connecting to the page, i've run a .length on what should be the returned node list and it returns 0.

Does anyone have any thoughts on what the malfunction is.  Any help would be greatly appreciated.


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