<html>
<head>
<title>Title</title>
</head>
</body>
<script type="text/javascript">
function disableBack()
{
if(event.keyCode==32) // 禁用空格键
return false;
}
document.onkeydown=disableBack;
</script>
</html>
<html>
<head>
<title>Title</title>
</head>
</body>
<script type="text/javascript">
function disableBack()
{
if(event.keyCode==32) // 禁用空格键
return false;
}
document.onkeydown=disableBack;
</script>
</html>
本文标题：禁用某个keycode操作
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