- insert("before", function (elem, dom) elem.parentNode.insertBefore(dom, elem));
- insert("after", function (elem, dom) elem.parentNode.insertBefore(dom, elem.nextSibling));
- insert("append", function (elem, dom) elem.appendChild(dom));
- insert("prepend", function (elem, dom) elem.insertBefore(dom, elem.firstChild));
+ insert("before", (elem, dom) => elem.parentNode.insertBefore(dom, elem));
+ insert("after", (elem, dom) => elem.parentNode.insertBefore(dom, elem.nextSibling));
+ insert("append", (elem, dom) => elem.appendChild(dom));
+ insert("prepend", (elem, dom) => elem.insertBefore(dom, elem.firstChild));