4 var elm
= document
.getElementById('elm');
5 elm
.offsetTop
; // trigger layout
6 elm
.style
.WebkitColumns
= 'auto';
7 elm
.style
.columns
= 'auto';
10 <p>There should be a blue
<em>square
</em> below.
</p>
11 <div id=
"elm" style=
"-webkit-columns:4; columns:4; orphans:1; widows:1; width:16em; line-height:4em; background:blue;">