禁止刷新

最新推荐文章于 2021-03-21 02:51:00 发布

转载最新推荐文章于 2021-03-21 02:51:00 发布 · 459 阅读

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<script language="javascript" type="text/javascript"> 
document.onkeydown = function() 
{ 
/* 
(ctrlKey == true && keyCode == 82)    Ctrl+R    ---刷新 
(keyCode == 116)                      F5        ---刷新 
(ctrlKey == true && keyCode == 116) Ctrl+F5 ---强制刷新 
*/ 
    //window.alert(event.keyCode); 
    var k = event.keyCode; 
    if((event.ctrlKey == true && k == 82) || (k == 116) || (event.ctrlKey == true && k == 116)) 
     { 
        //return (window.confirm("关闭?")); 
         event.keyCode = 0; 
         event.returnValue = false; 
         event.cancelBubble = true; 
     }

} 
</script>