You can replace
var content = $("#id").html();
with
var content = document.getElementById("id").innerHTML;
and
$("#id").append(element);
with
document.getElementById("id").appendChild(element);
You can replace
var content = $("#id").html();
with
var content = document.getElementById("id").innerHTML;
and
$("#id").append(element);
with
document.getElementById("id").appendChild(element);