[Google Maps v3] Get Rectangle area with computeArea

Been searching for ways to calculate rectangle area with google.maps.geometry.spherical.computeArea(), but hard to find.

Here's the snippet of the code I found on stackoverflow.

	var _computeRectangleArea = function(bounds) {
	if (!bounds) {
	return 0;
	}
	var sw = bounds.getSouthWest();
	var ne = bounds.getNorthEast();
	var southWest = new google.maps.LatLng(sw.lat(), sw.lng());
	var northEast = new google.maps.LatLng(ne.lat(), ne.lng());
	var southEast = new google.maps.LatLng(sw.lat(), ne.lng());
	var northWest = new google.maps.LatLng(ne.lat(), sw.lng());
	return google.maps.geometry.spherical.computeArea([northEast, northWest, southWest, southEast]) / (1000000);
	};

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Hope this helps those who are looking for the ways to use computeArea() without resolving to ugly/complex self-created methods. :)