1 <script language="javascript"> 2 //禁止按键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{// ff 11 e.preventDefault(); 12 } 13 } 14 } 15 16 //禁止鼠标右键菜单 17 document.oncontextmenu = function(e){ 18 return false; 19 } 20 </script>