lib/index.esm.js
function isPosterityNode(parent, child) {
  if (!isNode$2(parent) || !isNode$2(child)) {
    return false;
  }
  while (child.parentNode) {
    child = child.parentNode;
    if (child === parent) {
      return true;
    }
  }
  return false;
}
function isPosterityNode(parent, child) {
  if (!isNode$2(parent) || !isNode$2(child)) {
    return false;
  }
  while (child.parentNode) {
    child = child.parentNode;
    if (child === parent) {
      return true;
    }
  }
  return false;
}
function isPosterityNode ( parent , child ) { if ( ! isNode$2 ( parent ) || ! isNode$2 ( child ) ) { return false ; } while ( child . parentNode ) { child = child . parentNode ; if ( child === parent ) { return true ; } } return false ; }
check if node B is node A's posterrity or not
check if node B is node A s posterrity or not