<input type="button" value="Run VBS"   onClick="RunScript" >
<input type="button" value="Run JS "   onClick="disp_confirm()" >
<script language="vbscript">
Sub RunScript()
    blnAnswer = window.confirm("Are you sure you want to continue?")
    If blnAnswer Then
        Msgbox "You clicked the OK button"
    Else
        Msgbox "You clicked the Cancel button."
    End If
End Sub
</script>
<script type="text/javascript">
function disp_confirm()
{
var r=window.confirm("Press a button")
if (r==true)
    {
    document.write("You pressed OK!")
    }
else
    {
    document.write("You pressed Cancel!")
    }
}
</script>
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脚本如上，功能是相同的，但执行vbs的时候出错，而js成功。为什么？？？