Function toString

third_party/subscriptions-project/swg.js:3014–3020

(val)

}

function toString(val) {
  // Do check equivalent to `val instanceof Element` without cross-window bug
  if (val && val.nodeType == 1) {
    return val.tagName.toLowerCase() + (val.id ? '#' + val.id : '');
  }
  return /** @type {string} */ (val);
}

/**
 * Copyright 2018 The Subscribe with Google Authors. All Rights Reserved.