@Frederick -  in this case
$A(document.getElementsByClassName('classname')) would convert the
nodeList into an array (arrays are naturally extended via
their .prototype). In Firefox and other browsers all HTML elements
inherit from the Element.prototype so the elements would already be

@Peter - The fact that document.getElementsByClassName() is deprecated
is reason enough not to use it. Also it is painfully long to type
whereas $$() or element.select() are much easier.

 - JDD
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