You are developing a web application that can function when users are not connected to the
Internet.
You need to check the Internet connectivity status of a user’s browser.
Which method should you use?
A.
Option A
B.
Option B
C.
Option C
D.
Option D
Explanation:
Answer is D.
Right is D
From: http://www.w3schools.com/jsref/prop_nav_online.asp
“The onLine property returns a Boolean value that specifies whether the browser is in online or offline mode.”
Actually, none of the above are correct. As freedeveloper stated, navigator.onLine gives the desired result, not navigator.online.
if(navigator.onLine) { alert(‘on line!’) ; }
works for me…
Correct Answer = D
http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_nav_online
Correct Answer = D
Explanation/Reference:
Navigator onLine Property
The onLine property returns a Boolean value that specifies whether the browser is in online or offline mode.
Example
Find out whether the browser is online:
var x = “Is the browser online? ” + navigator.onLine;
The result of x will be:
Is the browser online? true
Reference: Navigator onLine Property