1<p>
2    (Read from bottom to top)
3</p>
4<div id="target" style="
5    margin: 100px;
6    -webkit-columns: 3;
7    width: 300px;
8    height: 100px;
9    -webkit-user-modify: read-write;
10    -webkit-writing-mode: horizontal-bt;
11    outline: none;
12">
13    <br>
14    <br>
15    <br>
16    <br>
17    <br>
18    <br>
19    The blinking insertion point should be here &rarr;
20</div>
21<script>
22    var target = document.getElementById("target");
23    target.focus();
24    getSelection().modify("move", "forward", "documentboundary");
25</script>
26