mdn-polyfills/Node.prototype.after.js

MDN polyfills

!function(){function t(){var e=Array.prototype.slice.call(arguments),r=document.createDocumentFragment();e.forEach(function(e){var t=e instanceof Node;r.appendChild(t?e:document.createTextNode(String(e)))}),this.parentNode.insertBefore(r,this.nextSibling)}[Element.prototype,CharacterData.prototype,DocumentType.prototype].forEach(function(e){e.hasOwnProperty("after")||Object.defineProperty(e,"after",{configurable:!0,enumerable:!0,writable:!0,value:t})})}();