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Javascript Navigator

2 min read

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.appName
  • 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>

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>

“Mozilla” is the application code name for both Chrome, Firefox, IE, Safari, and Opera.


  #

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>

Do not rely on this. Most browsers returns “Gecko” as product name !!


  #

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>

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

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

  #

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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