JavaScript Window Navigator

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The window.navigator object contains information about the visitor's browser.

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Window Navigator

The window.navigator object can be written without the window prefix.

Some examples:

• navigator.appName
• navigator.appCodeName
• navigator.platform

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Navigator Cookie Enabled

The property cookieEnabled returns true if cookies are enabled, otherwise false:

Example

<p id="demo"></p>

<script>
document.getElementById("demo").innerHTML =
"Cookies Enabled is " + navigator.cookieEnabled;
</script>

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The Browser Names

The properties appName and appCodeName return the name of the browser:

Example

<p id="demo"></p>

<script>
document.getElementById("demo").innerHTML =
"Name is " + navigator.appName + ". Code name is " + navigator.appCodeName;
</script>

	Did you know? IE11, Chrome, Firefox, and Safari return appName "Netscape". Chrome, Firefox, IE, Safari, and Opera all return appCodeName "Mozilla".

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The Browser Engine

The property product returns the engine name of the browser:

Example

<p id="demo"></p>

<script>
document.getElementById("demo").innerHTML = navigator.product;
</script>

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The Browser Version I

The property appVersion 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 Version II

The property userAgent also returns version information about the browser:

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, and 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

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The Browser Platform

The property platform 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 property language returns the browser's language:

Example

<p id="demo"></p>

<script>
document.getElementById("demo").innerHTML = navigator.language;
</script>

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Is Java Enabled?

The method javaEnabled() returns true if Java is enabled:

Example

<p id="demo"></p>

<script>
document.getElementById("demo").innerHTML = navigator.javaEnabled();
</script>