禁用网页F12键查看网页源代码

1. <script>
2. document.onkeydown = function (e) {
3. var currKey = 0, evt = e || window.event;
4. currKey = evt.keyCode || evt.which || evt.charCode;
5. if (currKey == 123) {
6. layer.msg('呀呀呀，就是不给你看 >_<');
7. window.event.cancelBubble = true;
8. window.event.returnValue = false;
9. }
10. }
11. </script>