https://laurentpierquin.com/wp-content/themes/gridsby_pro/js/helper.js?ver=6.9.4

1var docElem = window.document.documentElement,
2	transEndEventNames = {
3		'WebkitTransition': 'webkitTransitionEnd',
4		'MozTransition': 'transitionend',
5		'OTransition': 'oTransitionEnd',
6		'msTransition': 'MSTransitionEnd',
7		'transition': 'transitionend'
8	},
9	transEndEventName = transEndEventNames[ Modernizr.prefixed( 'transition' ) ],
10	support = {
11		pointerevents : Modernizr.pointerevents,
12		csstransitions : Modernizr.csstransitions,
13		csstransforms3d : Modernizr.csstransforms3d
14	};
15
16function scrollX() {
17	return window.pageXOffset || docElem.scrollLeft; 
18}
19
20function scrollY() {
21	return window.pageYOffset || docElem.scrollTop;
22}
23
24// from http://responsejs.com/labs/dimensions/
25function getViewportW() {
26	var client = docElem['clientWidth'],
27		inner = window['innerWidth'];
28	
29	if( client < inner )
30		return inner;
31	else
32		return client;
33}
34
35function getViewportH() {
36	var client = docElem['clientHeight'],
37		inner = window['innerHeight'];
38	
39	if( client < inner )
40		return inner;
41	else
42		return client;
43}
44
45function extend( a, b ) {
46	for( var key in b ) { 
47		if( b.hasOwnProperty( key ) ) {
48			a[key] = b[key];
49		}
50	}
51	return a;
52}