Function canBeOverflowed

javascript/atoms/typescript/is-displayed.ts:252–267

(container: Element, position: string | null)

    var treatAsFixedPosition = false;

    function canBeOverflowed(container: Element, position: string | null): boolean {
      if (container === htmlElem) {
        return true;
      }

      var display = getEffectiveStyle(container, 'display') || '';
      if (display.indexOf('inline') === 0 || display === 'contents') {
        return false;
      }

      if (position === 'absolute' && getEffectiveStyle(container, 'position') === 'static') {
        return false;
      }

      return true;
    }

    function getOverflowParent(current: Element): Element | null {
      var position = getEffectiveStyle(current, 'position');