Modified from <a href="http://trac.webkit.org/export/LATEST/trunk/LayoutTests/fast/tokenizer/write-on-load.html">http://trac.webkit.org/export/LATEST/trunk/LayoutTests/fast/tokenizer/write-on-load.html</a><br>
1
<script>
if (window.layoutTestController)
    layoutTestController.dumpAsText();

function doubleWrite(number)
{
    document.write("<script src='data:text/javascript,document.write(" + number + ")'></scr" +
                   "ipt> <script>document.write(" + (number + 1) + ")</scr" + "ipt> ")
}
</script>
2
<script
    src="data:text/javascript,doubleWrite(3)"
    onload="doubleWrite(5)">
</script>
7