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Navigator userAgent Property

Navigator Object Reference Navigator Object

Example

The user-agent header sent by your browser:

var x = "User-agent header sent: " + navigator.userAgent;

The result of x will be:


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Definition and Usage

The userAgent property returns the value of the user-agent header sent by the browser to the server.

The value returned, contains information about the name, version and platform of the browser.


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The userAgent property is supported in all major browsers.


Syntax

navigator.userAgent

Return Value

Type Description
String The user agent string for the current browser


More Examples

Example

A demonstration of all navigator properties in one example:

txt = "<p>Browser CodeName: " + navigator.appCodeName + "</p>";
txt+= "<p>Browser Name: " + navigator.appName + "</p>";
txt+= "<p>Browser Version: " + navigator.appVersion + "</p>";
txt+= "<p>Cookies Enabled: " + navigator.cookieEnabled + "</p>";
txt+= "<p>Browser Language: " + navigator.language + "</p>";
txt+= "<p>Browser Online: " + navigator.onLine + "</p>";
txt+= "<p>Platform: " + navigator.platform + "</p>";
txt+= "<p>User-agent header: " + navigator.userAgent + "</p>";
txt+= "<p>User-agent language: " + navigator.systemLanguage + "</p>";

Try it yourself »


Navigator Object Reference Navigator Object

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