Navigator userAgentProperty

Navigator 对象参考手册Navigator Object

Definition and Usage

The userAgent property is a read-only string that declares the value of the user agent header used by the browser for HTTP requests.

Syntax

navigator.userAgent


Browser Support

All major browsers support the userAgent property.

Chrome IE Edge Firefox Safari Opera
Yes Yes Yes Yes Yes Yes

Example

Example

The user agent header sent by your browser:

document.write("User Agent:" + navigator.userAgent);

The output result of the above example:


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实例

More Examples

This example contains all navigator properties.


Navigator 对象参考手册Navigator Object Other Extensions