getGripContainerMethod = function () {
  let c = getElement('pathpointgrip_container')
  if (!c) {
    const parentElement = getElement('selectorParentGroup')
    c = document.createElementNS(NS.SVG, 'g')
    parentElement.append(c)
    c.id = 'pathpointgrip_container'
  }
  return c
}
@function module:path.getGripContainer
@returns {Element}