I have a div with id="mapCanvas"
I create a map inside the div
var map = new google.maps.Map(document.getElementById("mapCanvas"),
Assuming that the function that creates the map has completed and I
have now lost the map var.
How do I get a reference back to the existing map when I only know the
div it is in?
var oldmap = document.getElementById("mapCanvas").theMapInisdeThisDiv;
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