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.
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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.”
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Actually, none of the above are correct. As freedeveloper stated, navigator.onLine gives the desired result, not navigator.online.
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if(navigator.onLine) { alert(‘on line!’) ; }
works for me…
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Correct Answer = D
http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_nav_online
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Correct Answer = D
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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
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