JavaScript Navigator
JavaScript Basics

JavaScript Navigator

JavaScript Window Navigator

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

Window Navigator

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

Some examples:
  • navigator.cookieEnabled
  • navigator.appCodeName
  • navigator.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>

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>

Warning: This property is deprecated. Most browsers (IE11, Chrome, Firefox, Safari) return "Netscape" as the appName.

Browser Application Code Name

The appCodeName property returns the application code name of the browser.

Example:

Warning: This property is deprecated. Most browsers (IE11, Chrome, Firefox, Safari, Opera) return "Mozilla" as the 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>

Warning: This property is deprecated. Most browsers return "Gecko" as the 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>

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>

Warning: The information from the navigator object can often be misleading and should not be used to detect browser versions.

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>

The Browser Language

The language property returns the browser's language.

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

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>

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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