react-document-meta/lib/__tests__/test-utils.js

Declarative, nested and stateful HTML document meta tags for React

export function getAttr ( element, attr ) {
  if (typeof element === 'string') {
    element = getElement(element);
  }

  return element && element.getAttribute(attr) || null;
}

export function getElement ( query ) {
  return document.querySelector(query);
}

export function getElements ( query ) {
  return document.querySelectorAll(query);
}