10 examples of 'window scrolltop' in JavaScript

555
export function getWindowScrollTop(rootWindow = window) {
556
  let res = rootWindow.scrollY;
557
558
  if (res === void 0) { // IE8-11
559
    res = rootWindow.document.documentElement.scrollTop;
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  }
561
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  return res;
563
}

21
scrollTop (top) {
22
  return this.scrollbars.scrollTop(top)
23
}

95
static getScrollTop() {
96
  if (typeof(window.pageYOffset) === 'number') {
97
    return window.pageYOffset;
98
  } else if (document.body && document.body.scrollTop) {
99
    return document.body.scrollTop;
100
  } else if (document.documentElement && document.documentElement.scrollTop) {
101
    return document.documentElement.scrollTop;
102
  }
103
104
  throw new Error('Unable to determine scrollTop of the window');
105
}

492
function findScrollTop() {
493
	if (!glbl.$scrollTopNode) {
494
		if (glbl.$html.scrollTop() != 0) {
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			glbl.$scrollTopNode = glbl.$html
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		} else if (glbl.$body.scrollTop() != 0) {
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			glbl.$scrollTopNode = glbl.$body
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		}
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	}
500
	return (glbl.$scrollTopNode) ? glbl.$scrollTopNode.scrollTop() : 0
501
}

270
function documentScrollTop()
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{
272
	var scrollTop = document.body.scrollTop;
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	if(document.documentElement) scrollTop = Math.max(scrollTop, document.documentElement.scrollTop);
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	return scrollTop;
275
}

5
function getScrollTop() {
6
    return (document.documentElement && document.documentElement.scrollTop) || document.body.scrollTop;
7
}

3
export default function scrollTop(_node) {
4
  const node = _node || window
5
  if (node && typeof node.scrollTop !== 'undefined') {
6
    return node.scrollTop
7
  }
8
9
  if ({}.hasOwnProperty.call(window, 'scrollY')) {
10
    return window.scrollY
11
  }
12
  const offset = document.documentElement ?
13
    document.documentElement.scrollTop :
14
    0
15
  return document.body.scrollTop + offset
16
}

72
get scrollTop() {
73
    if (!this.content) { return 0; }
74
75
    return this.content.scrollTop;
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}

39
get scrollTop(): number {
40
  return this.nativeElement.scrollTop;
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}

23
static get windowScrollY() {
24
  return (window.pageYOffset || window.scrollY || 0);
25
}