Function getParentElement

javascript/atoms/typescript/is-displayed.ts:77–88

(node: Node)

  }

  function getParentElement(node: Node): Element | null {
    var current = node.parentNode;
    while (
      current &&
      current.nodeType !== Node.ELEMENT_NODE &&
      current.nodeType !== Node.DOCUMENT_NODE &&
      current.nodeType !== Node.DOCUMENT_FRAGMENT_NODE
    ) {
      current = current.parentNode;
    }
    return current && current.nodeType === 1 /* ELEMENT_NODE */ ? (current as Element) : null;
  }

  function getEffectiveStyle(elem: Element, propertyName: string): string | null {
    var computed = computedStyleCache.get(elem);