1 <svg xmlns=
"http://www.w3.org/2000/svg" xmlns:
xlink=
"http://www.w3.org/1999/xlink" onload=
"boom();">
3 <rect id=
"r"/><use id=
"u" xlink:
href=
"#r"><rect id=
"r"/></use>
5 <script type=
"text/javascript">
9 var r1 = document.getElementsByTagName(
"rect")[
0]; // the first node with
id=
"r"
10 var use = document.getElementById(
"u");
11 document.documentElement.insertBefore(use, r1);