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2020-03-08学海无涯
1、禁止F1-F12
<script language="javascript">
function testKeyDown(event)
{
if ((event.keyCode == 112) || //屏蔽 F1
(event.keyCode == 113) || //屏蔽 F2
(event.keyCode == 114) || //屏蔽 F3
(event.keyCode == 115) || //屏蔽 F4
(event.keyCode == 116) || //屏蔽 F5
(event.keyCode == 117) || //屏蔽 F6
(event.keyCode == 118) || //屏蔽 F7
(event.keyCode == 119) || //屏蔽 F8
(event.keyCode == 120) || //屏蔽 F9
(event.keyCode == 121) || //屏蔽 F10
(event.keyCode == 122) || //屏蔽 F11
(event.keyCode == 123)) //屏蔽 F12
{
event.keyCode = 0;
event.returnValue = false;
}
}
document.onkeydown = function(){testKeyDown(event);}
window.onhelp = function(){return false;}
2、禁止鼠标右击 否则弹出‘ sorry! No right-clicking!’
$(document).ready(function() {
$(document).bind("contextmenu",function(e) {
alert("sorry! No right-clicking!");
return false;
});
});
3、禁止按回车,否则弹出框
<html>
<head></head>
<body>
<script>
window.onload = function ()
{
document.body.onkeydown=function(event)
{
if(event.keyCode==13)
{
alert("不允许按回车键");
}
}
}
</script>
</body>
</html>