网页禁用F2元素审查、禁用右键的方法

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<script language="Javascript">
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  document.oncontextmenu=new Function("event.returnValue=false"); //禁止鼠标右键
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  document.onselectstart=new Function("event.returnValue=false"); //禁止选中文字复制
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</script>

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<script type="text/javascript">
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 document.onkeydown = function () {
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   if (window.event && window.event.keyCode == 123) {
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       event.keyCode = 0;
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       event.returnValue = false;
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       return false;
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       }
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   };
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</script>

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<script type="text/javascript">
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  document.oncontextmenu=function(e){return false;}
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</script>

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<style>
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  body {
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        -moz-user-select:none; <!--禁止文字让选中-->
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       }
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</style>