5 examples of 'offset .top' in JavaScript

19
function getOffsetTop(rect, vertical) {
20
  let offset = 0;
21
22
  if (typeof vertical === 'number') {
23
    offset = vertical;
24
  } else if (vertical === 'center') {
25
    offset = rect.height / 2;
26
  } else if (vertical === 'bottom') {
27
    offset = rect.height;
28
  }
29
30
  return offset;
31
}

169
getTopPositonY() {
170
	const item = this.getTopItem();
171
172
	return item ? item.position.y : 0;
173
}

14
function getOffsetTop(element: HTMLElement, container: AnchorContainer): number {
15
  if (!element) {
16
    return 0;
17
  }
18
19
  if (!element.getClientRects().length) {
20
    return 0;
21
  }
22
23
  const rect = element.getBoundingClientRect();
24
25
  if (rect.width || rect.height) {
26
    if (container === window) {
27
      container = element.ownerDocument.documentElement;
28
      return rect.top - container.clientTop;
29
    }
30
    return rect.top - (container as HTMLElement).getBoundingClientRect().top;
31
  }
32
33
  return rect.top;
34
}

207
function getElementTop(element){
208
    var actualTop = element.offsetTop;
209
    var current = element.offsetParent;
210
    while (current !== null){
211
        actualTop += current.offsetTop;
212
        current = current.offsetParent;
213
    }
214
    return actualTop;
215
}

31
function bottomPos(element) {
32
    return element.offset().top + element.outerHeight();
33
}