Throttle window resize event

resizeThrittle.js

import { throttle } from 'lodash';

function addEvent(object, type, callback) {
  if (object === null || object === undefined) return;
  if (object.addEventListener) {
    object.addEventListener(type, callback, false);
  } else if (object.attachEvent) {
    object.attachEvent('on' + type, callback);
  } else {
    object['on' + type] = callback;
  }
}

function getWindowSize() {
  const el = document.getElementById('content');

  const width = el.offsetWidth;
  const height = el.offsetHeight;

  // Do stuff with width and height
}

addEvent(window, 'resize', throttle(getWindowSize, 300));