<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>
<body>
<div style="width:100px; height:100px; background:#09C;"
</body>
<script type="text/javascript">
//F5
document.documentElement.onkeydown=function(e){
e=e||window.event;
if(e.keyCode==116){
if(e.returnValue){
e.returnValue=false;
}else{
e.stopPropagation();
}
return false;
}
}
//右键
document.documentElement.oncontextmenu=function(e){
e=e||window.event;
e.cancelBubble = true;
e.returnValue=false;
return false;
}
</script>
</html>
没有测试
原文：http://www.cnblogs.com/mr-amazing/p/3805813.html