Refresh | page | Refresh sometimes after editing page users make changes, there may be a refresh, shutdown and other misoperation caused by the loss of the current page information,
Why not remind the user first? The instance code is as follows:
<! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 transitional//en" >
<title>confirm before leave</title>
<script language= "javascript" type= "Text/javascript" ><!--
var pb_strconfirmclosemessage;
var Pb_blnclosewindow = false;
Pb_strconfirmclosemessage = "Do you really want to leave this page?";
function Confirmclose () {
Window.event.returnValue = Pb_strconfirmclosemessage;
Pb_blnclosewindow = true;
}
function Showconfirmclose (blnvalue) {
if (Blnvalue) {
Document.body.onbeforeunload = Confirmclose;
} else {
Document.body.onbeforeunload = null;
}
}
--></script>
<body >
<input Type=button value= "Tips" >
<input Type=button value= "no hint" >
<input Type=button value= "Test Refresh" >
</body>
