in salesforce/canvas/public/javascripts/canvas-all.js [1283:1307]
size: function () {
var docElement = $$.document().documentElement;
var contentHeight = docElement.scrollHeight,
pageHeight = docElement.clientHeight,
scrollTop =
(docElement && docElement.scrollTop) ||
$$.document().body.scrollTop,
contentWidth = docElement.scrollWidth,
pageWidth = docElement.clientWidth,
scrollLeft =
(docElement && docElement.scrollLeft) ||
$$.document().body.scrollLeft;
return {
heights: {
contentHeight: contentHeight,
pageHeight: pageHeight,
scrollTop: scrollTop,
},
widths: {
contentWidth: contentWidth,
pageWidth: pageWidth,
scrollLeft: scrollLeft,
},
};
},