child node.after code example
Example 1: append after javascript
//insert new Element after some reference Element
function insertAfter(newElement, referenceElement) {
referenceElement.parentNode.insertBefore(newElement, referenceElement.nextSibling);
}
//example usage
var newElement = document.createElement("div");
newElement.innerHTML = "my New Div Text";
var myCurrentElement= document.getElementById("myElementID");
insertAfter(newElement, myCurrentElement);
Example 2: javascript add element above
$( "<p>Test</p>" ).insertBefore( ".inner" );