1. A promise
is an interface that deals with objects that are __ or __ filled in at a future
point in time (basically, asynchronous actions)?
Answers:
• set, data
• returned,
data
• returned,
set
• returned, get
2. Which of
the following are methods in an instance of $q.defer() ?
Note: There
may be more than one right answer.
Answers:
• finally
• when
• notify
• then
• reject
• resolve
3. Which of
the following is the correct syntax for using the $q.all method?
Note: There
may be more than one right answer.
Answers:
• «`
$q.all([promise1(),promise2]]).then((values) => {
…
});
«
• «`
$q.all(«promise1»,
«promise2»).then((values) => {
…
});
«`
• «`
$q.all({«promise1″:
promise1(),»promise2»: promise2()}).then((values) => {
…
});
«`
4. Custom
directives are used in AngularJS to extend the functionality of HTML?
Answers:
• extend
• integrate
• render
• connect
• connect
5. Explain
$q service, deferred and promises, Select a correct answer?
Answers:
• Promises
are post processing logics which are executed after some operation/action is
completed whereas ‘deferred’ is used to control how and when those promise
logics will execute.
• We can
think about promises as “WHAT” we want to fire after an operation is completed
while deferred controls “WHEN” and “HOW” those promises will execute.
• “$q” is
the angular service which provides promises and deferred functionality.
• All of the above
6. The
Promise proposal dictates the following for asynchronous requests?
Note: There
may be more than one right answer.
Answers:
• The Promise has a then function, which takes two arguments,
a function to handle the “resolved” or “success” event, and a function to
handle the “rejected” or the “failure” event
• It is
guaranteed that one of the two callbacks will be called, as soon as the result
is available
• Async
requests return a promise instead of a return value
• The
Promise proposal is the basis for how AngularJS structures local
7. How to
use AngularJS promises, read the example code?
Answers:
• controller(‘MyCtrl’, function($scope, $q) {
function longOperation() {
var q = $q.defer();
somethingLong(function() {
q.resolve();
});
return q.promise;
}
longOperation().then(function() {
});
})
•
controller(‘MyCtrl’, function($scope, $q) {
var lastUrl;
var
lastFileName
return {
createPdf(url,
fileName){
//do
processing
lastUrl =
url;
lastFileName
= fileName
},
loadLastPdf(){
//use lastUrl
and lastFileName
}
}
})
• Both of
the above
• None of
the above
8. What is
ng-hide directive used for?
Answers:
• Show a
given control
• Hide a given control
• Both of
the above
• None of
the above
9. What is
the output of the following code:
$scope.firstName
= «John»,
$scope.lastName
= «Doe»
{{ firstName
| uppercase }} {{ lastName }}
Answers:
• john doe
• JOHN DOE
• John Doe
• JOHN Doe
10. Which of
the following is a valid http get request in AngularJS?
Answers:
•
$http.request(«someUrl»)
.then(function(response)
{
$scope.content
= response.data;
});
• $http({
url :
«someUrl»
}).then(function
succesFunction(response) {
$scope.content
= response.data;
}, function
errorFunction(response) {
$scope.content
= response.statusText;
});
• $http({
url :
“someUrl»
data :
«test»
}).then(function
succesFunction(response) {
$scope.content
= response.data;
}, function
errorFunction(response) {
$scope.content
= response.statusText;
});
• $http.get(”method=get”,“someUrl”)
.then(function(response) {
$scope.content = response.data;
});
11. Which of
the following directive bootstraps AngularJS framework?
Answers:
• ng-init
• ng-app
•
ng-controller
• ng-bootstrap
12.
AngularJS supports inbuilt internationalization following types of filters?
Note: There
may be more than one right answer.
Answers:
• numbers
• date
• currency
• All of the above
13. Which of
the following is validation css class in AngularJS?
Answers:
• ng-valid
• ng-invalid
•
ng-pristine
• All of the above.
14. Which of
the following service is used to handle uncaught exceptions in AngularJS?
Answers:
•
$errorHandler
• $exception
• $log
•
$exceptionHandler
15. Out of
the following which statement is equivalent to
< p
ng-bind=»foo «>< /p >
Answers:
• <p>{{foo}}</p>
• <p
{{foo}}></p>
•
<p>{{«foo»}}</p>
• <p
{{«foo»}}></p>
16. Which of
the following module is required for routing?
Answers:
• angular.js
• angular-route.js
•
angularRouting.js
• route.js
17. Which of
the following is not a type of an Angular service?
Answers:
• service
• value
• controller
• provider
• factory
• constant
18. Which of
the following is not valid feature for Angular templates?
Answers:
• Routes
• Filters
• Directives
• Forms
19.
Dynamically loadable DOM template fragment, called a , through a ?
Answers:
• view,
model
• view,
route
• view, template
• view, render
20. Which
Angular service simulate the ‘console’ object methods from Javascript?
Answers:
• Http
• Log
•
Interpolate
• Sce
21. What is
Angular Expression, How do you differentiate between Angular expressions and
JavaScript expressions?
Answers:
• Context :
The expressions are evaluated against a scope object in Angular, while
Javascript expressions are evaluated against the global window.
• Forgiving:
In Angular expression, the evaluation is forgiving to null and undefined
whereas in JavaScript undefined properties generate TypeError or
ReferenceError.
• No Control
Flow Statements: We cannot use loops, conditionals or exceptions in an Angular
expression.
• Filters:
In Angular unlike JavaScript, we can use filters to format data before
displaying it.
• All of the above
22. Which of
the following is true about lowercase filter?
Answers:
• Lowercase filter converts a text to lower case text.
• Lowercase
filter converts the first character of the text to lower case.
• Lowercase
filter converts the first character of each word in text to lower case.
• None of
the above
23. Which of
the following is Angular E2E testing tool?
Answers:
•
JsTestDriver
• Jasmine
• Nightwatch
• Protractor
24. What is
the output of the following code:
$scope.data
= [1, 2, 3, 4, 5];
< span
ng-repeat=»item in data» ng-if=»item > 5 && item < 10 «>{{
item }}< /span >
Answers:
• 6 7 8 9 10
• 1 2 3 4 5
• Nothing is output
25. What can
be following validate data in AngularJS?
Answers:
• $dirty −
states that value has been changed.
• $invalid −
states that value entered is invalid.
• $error −
states the exact error.
• All of the above
26.
AngularJS service can be created,registered,created in following different
ways?
Note: There
may be more than one right answer.
Answers:
• the
factory() method
• the
value() method
• the
service() method
• the
provider() method
• None of the above
27. ng-bind
directive binds ___.
Answers:
• Data to
model.
• View to
controller.
• Model to HTML element.
• Model to
$scope.
28. What is
the output of the following code?
< body
ng-app=»myApp» >
< !—
directive: my-directive — >
<
/body>
var app =
angular.module(«myApp», []);
app.directive(«myDirective»,
function() {
return {
replace :
true,
template :
«<h1>I got printed</h1>»
};
});
Answers:
• <h1 my-directive=»»>I got printed</h1>
• Blank
Screen
•
<h1>I got printed</h1>
• <h1
class=»my-directive»>I got printed</h1>
29. What
kind of filters are supported the inbuilt internationalization in AngularJS?
Answers:
• currency
and date
• currency, date and numbers
• date and
numbers
• None of
above
