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Navigator userAgent Property
Navigator Object
Definition and Usage
The userAgent property returns the value of the user-agent header sent by the browser to the server.
Syntax
navigator.userAgent
Browser Support
The userAgent property is supported in all major browsers.
Example
Example
The user-agent header sent by your browser:
<script>
document.write("User-agent header sent: " + navigator.userAgent);
</script>
document.write("User-agent header sent: " + navigator.userAgent);
</script>
The output of the code above will be:
Try it yourself »
More Examples
All navigator properties in one example
Navigator Object
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