4 div::first-line { color: green }
5 #y { display: inline-block; }
7 <div id=
"x"><span id=
"y">green
</span></div>
10 var span
= document
.createElement('span');
11 span
.textContent
= 'This should be ';
12 y
.insertBefore(span
, y
.firstChild
);