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
Return Value: A String, representing the user agent string for the current browser
Below program illustrates the Navigator userAgent Property:
HTML
<!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> |
Output:
Before clicking the button:
After clicking the button:
Supported Browsers: The browser supported by Navigator userAgent are listed below:
- Google Chrome 1
- Edge 12
- Internet Explorer 4
- Firefox 1
- Opera 12.1
- Safari 1
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