2 <body style=
"color: red">
3 <div id=
"x" style=
"display: inline; visibility: hidden">
9 </div><script type=
"text/javascript">
10 document
.body
.offsetWidth
;
11 document
.getElementById("x").style
.visibility
= "visible";
12 document
.body
.style
.color
= "green";