โค้ด: เลือกทั้งหมด
<script type="text/javascript">
document.onkeydown=function(e)
{
e=e||window.event;
///prevent F5 refresh page
if (e.keyCode === 116 )
{
e.keyCode = 0;
if(e.preventDefault)
e.preventDefault();
else
e.returnValue = false;
return false;
}
switch (event.keyCode) {
case 116 : //F5 button
event.returnValue = false;
event.keyCode = 0;
return false;
case 82 : //R button
if (event.ctrlKey) {
event.returnValue = false;
event.keyCode = 0;
return false;
}
}
}
</script>