使用Javascript操作浏览器
<script language="Javascript">
<!--
function document.oncontextmenu(){
event.returnValue=false;//屏蔽鼠标右键
}
function window.onhelp(){
return false;//屏蔽F1帮助
}
function document.onkeydown() {
if ((window.event.altKey)&&
((window.event.keyCode==37)|| //屏蔽 Alt+ 方向键 ←
(window.event.keyCode==39))) //屏蔽 Alt+ 方向键 →
{
alert("不准你使用ALT+方向键前进或后退网页!");
event.returnValue=false;
}
if ((event.keyCode==8) || //屏蔽退格删除键
(event.keyCode==116)|| //屏蔽 F5 刷新键
(event.ctrlKey && event.keyCode==82)){ //Ctrl + R
event.keyCode=0;
event.returnValue=false;
}
if (event.keyCode==122{
event.keyCode=0;event.returnValue=false;//屏蔽F11
}
if (event.ctrlKey && event.keyCode==78)
event.returnValue=false; //屏蔽 Ctrl+n
if (event.shiftKey && event.keyCode==121) event.returnValue=false; //屏蔽 shift+F10
if (window.event.srcElement.tagName == "A" && window.event.shiftKey)
window.event.returnValue = false; //屏蔽 shift 加鼠标左键新开一网页
if ((window.event.altKey)&&(window.event.keyCode==115)) //屏蔽Alt+F4
{
window.showModelessDialog("about:blank","","dialogWidth:1px;dialogheight:1px");
return false;
}
}
</script>
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