HTML | Navigator userAgent Property

The Navigator userAgent property is used for returning the user-agent header’s value sent to the server by the browser. It returns a string representing values such as the name, version, and platform of the browser.

Syntax:

navigator.userAgent

Below program illustrates the Navigator userAgent Property:

filter_none

edit
close

play_arrow

link
brightness_4
code

<!DOCTYPE html>
<html>
  
<head>
    <title>
      Navigator userAgent Property in HTML
    </title>
    <style>
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
  
    <h1>GeeksforGeeks</h1>
    <h2>Navigator userAgent Property</h2>
  
    <p>
      For checking the browser's User-agent header name,
      double click the "Check User Agent" button: 
    </p>
  
    <button ondblclick="checkua()">
      Check User Agent
    </button>
  
    <p id="header"></p>
  
    <script>
        function checkua() {
            var u = 
                "User-agent header sent by the browser : " 
                                     + navigator.userAgent;
            document.getElementById("header").innerHTML = u;
        }
    </script>
  
</body>
  
</html>   

chevron_right


Output:

After clicking the button

Supported Browsers: The browser supported by Navigator userAgent are listed below:

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Opera
  • Safari

full-stack-img




My Personal Notes arrow_drop_up


If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.



Improved By : ManasChhabra2

Article Tags :
Practice Tags :


Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.