javascript 禁止刷新!如何实现用户一点工具栏的刷新,就弹出是否退出本页的对话框.

Question

<script language="javascript">
<!-- 
var s="close";
function window.onunload(){
   
   if(s=="fresh")
      if(window.screenLeft>10000){alert('关闭');}else{alert('刷新');}
   else
      alert('关闭');
}
function window.onbeforeunload(){
   s="fresh";
}
-->
</script

Answer 1

document.onkeydown = function()
{
    var k = window.event.keyCode;
    if (k == 116)                   //屏蔽 F5 刷新键
    {
        //window.event.returnValue= false;
         if(confirm("是否关闭页面"))
          { 
          window.opener=null;window.close();
          }
    }
}