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// Check to see if jQuery is loaded. If not, load it from the public jQuery CDN. | |
if (typeof jQuery == 'undefined') { | |
// Load the latest jQuery library from jQuery | |
document.write("\<script src='http://code.jquery.com/jquery-latest.min.js' type='text/javascript'>\<\/script>"); | |
} | |
// Create new ieUserAgent object | |
var ieUserAgent = { | |
init: function () { | |
// Get the user agent string | |
var ua = navigator.userAgent; | |
this.compatibilityMode = false; | |
// Detect whether or not the browser is IE | |
var ieRegex = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})"); | |
if (ieRegex.exec(ua) == null) | |
this.exception = "The user agent detected does not contain Internet Explorer."; | |
// Get the current "emulated" version of IE | |
this.renderVersion = parseFloat(RegExp.$1); | |
this.version = this.renderVersion; | |
// Check the browser version with the rest of the agent string to detect compatibility mode | |
if (ua.indexOf("Trident/6.0") > -1) { | |
if (ua.indexOf("MSIE 7.0") > -1) { | |
this.compatibilityMode = true; | |
this.version = 10; // IE 10 | |
} | |
} | |
else if (ua.indexOf("Trident/5.0") > -1) { | |
if (ua.indexOf("MSIE 7.0") > -1) { | |
this.compatibilityMode = true; | |
this.version = 9; // IE 9 | |
} | |
} | |
else if (ua.indexOf("Trident/4.0") > -1) { | |
if (ua.indexOf("MSIE 7.0") > -1) { | |
this.compatibilityMode = true; | |
this.version = 8; // IE 8 | |
} | |
} | |
else if (ua.indexOf("MSIE 7.0") > -1) | |
this.version = 7; // IE 7 | |
else | |
this.version = 6; // IE 6 | |
} | |
}; | |
// Initialize the ieUserAgent object | |
ieUserAgent.init(); |
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<!DOCTYPE html> | |
<html xmlns="http://www.w3.org/1999/xhtml"> | |
<head> | |
<title>Testing IE Compatibility Mode</title> | |
<script src="ieUserAgent.js" type="text/javascript"></script> | |
</head> | |
<body> | |
<div id="results">Results:</div> | |
<script type="text/javascript"> | |
var val = "IE" + ieUserAgent.version; | |
if (ieUserAgent.compatibilityMode) | |
val += " Compatibility Mode (IE" + ieUserAgent.renderVersion + " emulation)"; | |
$("#results").html("We have detected the following IE browser: " + val); | |
</script> | |
</body> | |
</html> |
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