javascript - DOM traversal up to window? -
with following bit of code -
var myel = document.getelementbyid('myelement'); myel.ownerdocument.defaultview;
does getting original window via ownerdocument.defaultview mean i'm traversing dom myel element document , window?
it's not traversing, per se.
every dom object has ownerdocument
property. document node associated with, if any.
every document object has defaultview
property (provided browser supports -- not true in ie <9). window
object document shown, if any,.
so it's reading couple of properties objects, rather traversal.
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