code: function getIconUrl() {
  	    var url = new URL(this.config.iconUrl, window.location);
  	    var cors = url.host !== window.location.host || browser.isIE && !window.svg4everybody;
  	    return {
  	      url: this.config.iconUrl,
  	      cors: cors
  	    };
  	  }
docs: Get icon URL