<!DOCTYPE html> <html class="reftest-wait"> <!-- Test: when changing the 'value' IDL property, the thumb of the range should be moved to the appropriate position --> <script type="text/javascript"> function setValue() { document.getElementById('i').stepDown(); document.documentElement.className = ''; } document.addEventListener("MozReftestInvalidate", setValue); </script> <body> <input type=range id='i' value=100 step=25 style='-moz-appearance:none'> </body> </html>