Which of the following is not navigator object property?

Which of the following is not navigator object property? Correct Answer document

The navigator object properties are appVersion, cookieEnabled, appCodeName, geolocation, appName, product, userAgent, platform, online, language. Engine name of the browser is returned by product and the language of the browser is returned by language.

Related Questions

Which navigator object property returns a geolocation object?
The navigator property belongs to which of the following object?
Which of the following is not a navigator property?
Which of the following navigator object properties is the same in both Netscape and IE?
Which of the following is the Navigator object method?
What is the purpose of the platform[] property in a navigator?