<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<script type="text/javascript" language=JavaScript>
document.onkeydown = function (event) {
var e = event || window.event || arguments.callee.caller.arguments[0];;
if (e.keyCode == 86 && e.ctrlKey) {
alert("你按下了ctrl+V");
}
if (e.keyCode == 86 && e.altKey) {
alert("你按下了alt+V");
}
if (e.keyCode == 86 && e.shiftKey) {
alert("你按下了shift+V");
}
if (e.keyCode == 83 && e.ctrlKey && e.shiftKey) {
alert("你按下了ctrl+shift+S");
}
if (e.keyCode == 13&&e.ctrlKey) {
alert("你按下了ctrl+回车");
return;
}
if (e.keyCode == 13) {
alert("你按下了回车");
}
}
</script>
</body>
</html>