<p>
When you click the following <select>, you should see a scrollbar,
and should be able to scroll down to see "Z" as the last option.
See <a href="https://bugs.webkit.org/show_bug.cgi?id=49306">Bug 49306</a> for detail.
<p>
<select>
<option>A</option>
<option>B</option>
<option>C</option>
<option>D</option>
<option>E</option>
<option>F</option>
<option>G</option>
<option>H</option>
<option>I</option>
<option>J</option>
<option>K</option>
<option>L</option>
<option>M</option>
<option>N</option>
<option>O</option>
<option>P</option>
<option>Q</option>
<option>R</option>
<option>S</option>
<option>T</option>
<option>U</option>
<option>V</option>
<option>W</option>
<option>X</option>
<option>Y</option>
<option>Z</option>
</select>