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TODO intro The code/**
* Gets the page scroll distance as a coordinate object.
*
* @param {Window} opt_window Optional window element to test.
* @return {goog.math.Coordinate} Object with values 'x' and 'y'
*/
goog.dom.getPageScroll = function(opt_window) {
var win = opt_window || goog.global || window;
var doc = win.document;
var x, y;
// Safari (2 and 3) needs body.scrollLeft in both quirks mode and strict mode
if (!goog.userAgent.SAFARI && doc.compatMode == 'CSS1Compat') {
x = doc.documentElement.scrollLeft;
y = doc.documentElement.scrollTop;
} else {
x = doc.body.scrollLeft;
y = doc.body.scrollTop;
}
return new goog.math.Coordinate(x, y);
};The code walkthroughTODO walkthrough Further readingTODO further reading
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