DOMUtils.js

/**
 * React Starter Kit (https://www.reactstarterkit.com/)
 *
 * Copyright © 2014-2016 Kriasoft, LLC. All rights reserved.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE.txt file in the root directory of this source tree.
 */

export function addEventListener(node, event, listener) {
  if (node.addEventListener) {
    node.addEventListener(event, listener, false);
  } else {
    node.attachEvent(`on${event}`, listener);
  }
}

export function removeEventListener(node, event, listener) {
  if (node.removeEventListener) {
    node.removeEventListener(event, listener, false);
  } else {
    node.detachEvent(`on${event}`, listener);
  }
}