Exam 70-480 topic 4 question 46 discussion

Actual exam question from Microsoft's 70-480

Question #: 46
Topic #: 4

You are developing an HTML5 web application. The application loads data from a web service by using AJAX. The application displays the data by calling the displayData function. The data is loaded by using the following code.

You need to ensure that the data is displayed when it is successfully retrieved from the web service.
Which code segment should you use?

A. Option A
B. Option B
C. Option C
D. Option D

Show Suggested Answer

Suggested Answer: B 🗳️
The deferred.done() method accepts one or more arguments, all of which can be either a single function or an array of functions. When the Deferred is resolved, the doneCallbacks are called. Callbacks are executed in the order they were added. Since deferred.done() returns the deferred object, other methods of the deferred object can be chained to this one, including additional .done() methods.
$.ajax
Reference: JQuery, deferred.done()

by lkgt at Nov. 4, 2020, 1:28 p.m.

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lkgt

4 years, 7 months ago

dataOperation argument is not defined anywhere in presented code.

upvoted 2 times

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