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<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery-2.1.3.min.js " type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.2/underscore-min.js " type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js " type="text/javascript"></script>
</head>
<body>
<p></p>
<script type="text/javascript">
var MyText = _.extend({myIP:'Your browser is: '}, Backbone.Events);
MyText.on('MyFunction', function () {
if((navigator.userAgent.indexOf("MSIE") != -1 ) || (!!document.documentMode == true ))
{
$("p").text(MyText.myIP + "IE");
}
else if(navigator.appVersion.indexOf('Edge') > -1)
{
$("p").text(MyText.myIP + "Edge");
}
else if(navigator.userAgent.toLowerCase().indexOf("op") > -1)
{
$("p").text(MyText.myIP + "Opera");
}
else if(navigator.userAgent.indexOf("Chrome") != -1)
{
$("p").text(MyText.myIP + "Chrome");
}
else if(navigator.userAgent.indexOf("Firefox") != -1 )
{
$("p").text(MyText.myIP + "FireFox");
}
else if(navigator.userAgent.indexOf("Safari") != -1)
{
$("p").text(MyText.myIP + "Safari");
}
else
{
$("p").text(MyText.myIP + "unknown");
}
});
MyText.trigger('MyFunction');
</script>
</body>
</html>
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