Is there a way to keep page displayed in background while alert popup is displayed? (IE keeps it displayed)
In my VB ASP.NET web app, I popup an alert by using JavaScript alert().  (see code below) But when alert pops up, Chrome and FF web page goes blank until user hits OK, then it is re-displayed.  (IE doesn't have problem)
' Shows javascript alert_message at browser, because MsgBox doesn't work there. Private Sub alert(ByVal alert_message As String)    Dim msg As String    msg = ""
msg += "alert('" & POPUP_ALERT_TITLE & "\n\n" & alert_message & "');" msg += "<" & "/script>" Response.Write(msg) End Sub
SAMPLE USAGE WITHIN MY VISUAL BASIC 2013 ASP.NET WEB APP..........
Function sample_usage()      
  alert("INTERNAL ERROR 111. ...

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