getScrolls.js

getScrolls.js

// getScrolls.js v1
const getScrolls = {
	element: window,
	x: 'scrollX',
	y: 'scrollY'
};
if (!('scrollX' in window && 'scrollY' in window)) {
	if ('pageXOffset' in window && 'pageYOffset' in window) {
		getScrolls.x = 'pageXOffset';
		getScrolls.y = 'pageYOffset';
	} else if (document.documentElement.clientHeight != 0) {
		getScrolls.element = document.documentElement;
		getScrolls.x = 'scrollLeft';
		getScrolls.y = 'scrollTop';
	} else {
		getScrolls.element = document.body;
		getScrolls.x = 'scrollLeft';
		getScrolls.y = 'scrollTop';
	};
};
window.getScrollX = function() {
	return getScrolls.element[getScrolls.x];
};
window.getScrollY = function() {
	return getScrolls.element[getScrolls.y];
};

getScrolls.min.js

// getScrolls.min.js v1
window.getScrolls={element:window,x:"scrollX",y:"scrollY"};"scrollX"in window&&"scrollY"in window||("pageXOffset"in window&&"pageYOffset"in window?(getScrolls.x="pageXOffset",getScrolls.y="pageYOffset"):"documentElement"in document||"parentNode"in document.body?(getScrolls.element=document.documentElement||document.body.parentNode,getScrolls.x="scrollLeft",getScrolls.y="scrollTop"):(getScrolls.element=document.body,getScrolls.x="scrollLeft",getScrolls.y="scrollTop"));window.getScrollX=function(){return getScrolls.element[getScrolls.x]},window.getScrollY=function(){return getScrolls.element[getScrolls.y]};