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 → 20</div> 21<script> 22 var target = document.getElementById("target"); 23 target.focus(); 24 getSelection().modify("move", "forward", "documentboundary"); 25</script> 26