I m wondering if these two expressions are equivalent, because if they are, it would make this much easier.
$( div , this).filter( :not(.trigger) )...
$( div:not([class*=trigger]) , this)...
(this providing a context under which to look for the specified div)
They re not essentially the same. The second also filters out all div s which have a class which contains "trigger" in the name, thus also e.g. "anothertrigger" and "triggerfoo".
You can also use
$( div:not(.trigger) , this)...
which is imho much clearer.
No.
Version 1 takes all divs without the class trigger.
Version 2 takes all the divs where the attribute class contains the text trigger. This means a div with the class mytrigger will be a match.
EDIT
With your updated question this would be the equivalent to the first version.
$( div:not(.trigger) , this)
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