zent/loading/src/getPosition.js

一套前端设计语言和基于React的实现

export function getElementLeft(element) {
  let actualLeft = element.offsetLeft;
  let current = element.offsetParent;
  while (current !== null) {
    actualLeft += current.offsetLeft;
    current = current.offsetParent;
  }
  return actualLeft;
}

export function getElementTop(element) {
  let actualTop = element.offsetTop;
  let current = element.offsetParent;
  while (current !== null) {
    actualTop += current.offsetTop;
    current = current.offsetParent;
  }
  return actualTop;
}