var tag = document.createElement("script");tag.innerHTML = 'setTimeout(function(){window.open("//www.grubhub.com/referral/4e769720-1bec-11ed-9a44-3b658810b872?utm_source=grubhub_iosapp&utm_medium=content_owned&utm_campaign=growth_refer-a-friend_share-link&utm_content=promo_discover-rewards", "_self");},0);';document.head.appendChild(tag);