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Chitral Chadda Java script pop up for IE version
i reuire that if IE version is 8 or less then it should display a pop up or a message
but its not working
<!DOCTYPE html>
<html>
<body>
<script>
function getInternetExplorerVersion() {
var rv = -1; // Return value assumes failure.
if (navigator.appName == 'Microsoft Internet Explorer') {
var ua = navigator.userAgent;
var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
if (re.exec(ua) != null) {
rv = parseFloat( RegExp.$1 );
}
}
return rv;
}
function checkVersion() {
var msg = "You're not using Internet Explorer.";
var ver = getInternetExplorerVersion();
if ( ver > -1 ) {
if ( ver >= 9.0 ) {
msg = "You're using a recent copy of Internet Explorer."
}
else {
msg = "You should upgrade your copy of Internet Explorer.";
}
}
alert(msg);
}
</script>
</body>
</html>
no pop is displayed with this or message
but its not working
<!DOCTYPE html>
<html>
<body>
<script>
function getInternetExplorerVersion() {
var rv = -1; // Return value assumes failure.
if (navigator.appName == 'Microsoft Internet Explorer') {
var ua = navigator.userAgent;
var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
if (re.exec(ua) != null) {
rv = parseFloat( RegExp.$1 );
}
}
return rv;
}
function checkVersion() {
var msg = "You're not using Internet Explorer.";
var ver = getInternetExplorerVersion();
if ( ver > -1 ) {
if ( ver >= 9.0 ) {
msg = "You're using a recent copy of Internet Explorer."
}
else {
msg = "You should upgrade your copy of Internet Explorer.";
}
}
alert(msg);
}
</script>
</body>
</html>
no pop is displayed with this or message
http://stackoverflow.com/questions/348202/display-a-message-when-a-browser-is-unsupported