JavaScript navigator.userAgent Property

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JavaScript navigator.userAgent Property

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

Note: This property is read-only.

Example

HTML Online Editor
<!DOCTYPE html> <html> <body> <script> document.write("User-agent header: "+navigator.userAgent); </script> </body> </html>

Syntax

navigator.userAgent

Return Value

ValueExplanation
StringReturns a string representing the user-agent header’s value sent to the server by the browser.

More Examples

Examples

HTML Online Editor
<!DOCTYPE html> <html> <body> <script> var txt = ""; txt += "<p>Browser Name: "+navigator.appName+"</p>"; txt += "<p>Browser CodeName: "+navigator.appCodeName+"</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>Browser's Engine Name: "+navigator.product+"</p>"; txt += "<p>User-agent header: "+navigator.userAgent+"</p>"; txt += "<p>Java Enabled: "+navigator.javaEnabled()+"</p>"; document.write(txt); </script> </body> </html>

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