JavaScript Window Navigator
The window.navigator object contains information about the
visitor's browser.
Window Navigator
The window.navigator object can be written without the window prefix.
Some examples:
navigator.cookieEnablednavigator.appCodeNamenavigator.platform
Browser Cookies
The cookieEnabled property returns true if cookies are enabled, otherwise
false:
Example
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML =
"cookiesEnabled is " + navigator.cookieEnabled;
</script>
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Browser Application Name
The appName property returns the application name
of the browser:
Example
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML =
"navigator.appName is " + navigator.appName;
</script>
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Warning
This property is removed (deprecated) in the latest web standard.
Most browsers (IE11, Chrome, Firefox, Safari) returns Netscape as appName.
Browser Application Code Name
The appCodeName property returns the application code name
of the browser:
Example
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML =
"navigator.appCodeName is " + navigator.appCodeName;
</script>
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Warning
This property is removed (deprecated) in the latest web standard.
Most browsers (IE11, Chrome, Firefox, Safari, Opera) returns Mozilla as appCodeName.
The Browser Engine
The product property returns
the product name of the browser engine:
Example
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML =
"navigator.product is " + navigator.product;
</script>
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Warning
This property is removed (deprecated) in the latest web standard.
Most browsers returns Gecko as product.
The Browser Version
The appVersion property returns
version information about the browser:
Example
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML = navigator.appVersion;
</script>
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The Browser Agent
The userAgent property returns the user-agent header sent by the browser to the server:
Example
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML = navigator.userAgent;
</script>
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Warning
The information from the navigator object can often be misleading.
The navigator object should not be used to detect browser versions because:
- Different browsers can use the same name
- The navigator data can be changed by the browser owner
- Some browsers misidentify themselves to bypass site tests
- Browsers cannot report new operating systems, released later than the browser
The Browser Platform
The platform property returns the browser platform
(operating system):
Example
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML = navigator.platform;
</script>
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The Browser Language
The language property returns the browser's language:
Example
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML = navigator.language;
</script>
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Is The Browser Online?
The onLine property returns true if the browser is online:
Example
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML = navigator.onLine;
</script>
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Is Java Enabled?
The javaEnabled() method returns true if Java is enabled:
Example
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML = navigator.javaEnabled();
</script>
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