JS 禁止瀏覽器右鍵菜單和重新整理

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 1 <script language="javascript"> 2 //禁止按鍵F5 3 document.onkeydown = function(e){ 4     e = window.event || e; 5     var keycode = e.keyCode || e.which; 6     if( keycode = 116){ 7         if(window.event){// ie 8             try{e.keyCode = 0;}catch(e){} 9             e.returnValue = false;10         }else{// ff11             e.preventDefault();12         }13     }14 }15 16 //禁止滑鼠右鍵菜單17 document.oncontextmenu = function(e){18          return false;19 }20 </script>

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