DEAR W3.ORG 'NOBODY KNOWS WHAT A FUCKING 'HELLO' ATTRIBUTE IS IN YOUR INSANE EXAMPLE' Selectors Level 3

Multiple attribute selectors can be used to represent several attributes of an element, or several conditions on the same attribute. Here, the selector represents a span element whose hello attribute has exactly the value "Cleveland" and whose goodbye attribute has exactly the value "Columbus":

span[hello="Cleveland"][goodbye="Columbus"]

via w3.org

Multiple attribute selectors can be used to represent several attributes of an element, or several conditions on the same attribute. Here, the selector represents a span element whose hello attribute has exactly the value "Cleveland" and whose goodbye attribute has exactly the value "Columbus": span ...» more Dogmeat