<!DOCTYPE html> <html><body> <select multiple="multiple" size="10"><script>document.body.offsetHeight;</script> <option>option 0</option><option>option 1</option><option>option 2</option><option>option 3</option><option>option 4</option><option>option 5</option><option>option 6</option><option>option 7</option><option>option 8</option><option>option 9</option><option>option 10</option><option>option 11</option><option selected>option 12</option> </select> </body></html>