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EDITx is an open IT Library of questions to share and gain knowledge. Become an EDITx author because you care: share your knowledge to fit everyone benefit with a quality IT education.

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As contributor of the IT library, you allow others to use your questions, in the same way you can make use of theirs. Nevertheless, you keep the intellectual property on your work and will be notified any time that an author is using your questions or when someone answers your questions. Moreover, your privileged status allows you to set up private and public tests, to share your questions with your students, friends, colleagues or acquaintances and to get the results in real time.

... is what you give !

To become an EDITx Author, you just need to set up 5 QCM questions, in the field of your choice, and indicate the right answer. If your questions allows a better "Education in IT for X", you will receive the status and advantages of an EDITx Author.

Post date Author Category Body Stats
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
TypeScript

How can other TypeScript files be referenced?

262 answers
192 good - 70 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
ES6

Which of the following is the correct syntax for a generator?

810 answers
695 good - 115 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
Angular

Which of the following will create a local "EventEmitter" named "handleSelected" and expose an...

884 answers
334 good - 550 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
ES6

Which of the following is the Promise method for waiting until the first Promise in a group has...

100 answers
82 good - 18 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
TypeScript

Given a decorator called "sealed": what is the correct syntax to apply "sealed" to a class?

604 answers
387 good - 217 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
Angular

What is the purpose of a route resolver?

352 answers
76 good - 276 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
TypeScript

You want to use a type definition file for jQuery.

517 answers
102 good - 415 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
HTML 5

What happens when you attempt to open an IndexedDB database that doesn't exist?

923 answers
212 good - 711 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
HTML 5

Data retrieved from an IndexedDB object store is available as what type of data?

796 answers
153 good - 643 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
HTML 5

Which conditional else statement would a web developer use to notify a user that geolocation is...

310 answers
142 good - 168 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
JavaScript

What does Date.now() return?

100 answers
48 good - 52 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
HTML 5

Which attribute do you use to specify that a checkbox or radio-type element should be pre-...

549 answers
395 good - 154 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
Angular

Which is the correct command to create a component in the same folder as its NgModule, using...

126 answers
115 good - 11 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
ES6

Which of the following valid code samples would be the most efficient way of setting values in...

893 answers
303 good - 590 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
CSS

With regards to the cascade effect of CSS, when does the order of CSS style rules matter most?...

956 answers
288 good - 668 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
HTML 5

Which of the following mouse events is used when handling a drag/drop event?

205 answers
27 good - 178 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
CSS

Which of the following characters is used in an adjacent sibling selector?

130 answers
118 good - 12 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
HTML 5

Which method do you use to send a message to a Web Worker from the UI thread?

990 answers
896 good - 94 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
TypeScript

How do you remove declarations from the global namespace?

355 answers
351 good - 4 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
CSS

What is the specificity calculation for an ID in CSS?

749 answers
631 good - 118 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
JavaScript

What is the difference between the following two class implementations? First:

666 answers
0 good - 666 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
Angular

When is it appropriate to use optional parameters versus query parameters when dealing with...

153 answers
14 good - 139 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
ES6

A for... loop is processing object properties instead of iterable values. Why?

278 answers
271 good - 7 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
HTML 5

How do you paint an image on the canvas?

390 answers
379 good - 11 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
Angular

Given a parent component which has the following child component:
@Component({...})...

249 answers
138 good - 111 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
ES6

What will the following code return?

485 answers
80 good - 405 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
CSS

Which of the following is valid syntax for an @keyframe rule?

128 answers
119 good - 9 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
Angular

What command will bundle and handle code splitting?

897 answers
54 good - 843 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
JavaScript

If you have a class called MyClass and an array called myObjects which contains many instances...

854 answers
654 good - 200 bad
 
01.10.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
ES6

What is printed to the console when the following snippet executes?

461 answers
364 good - 97 bad