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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
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
TypeScript

What is the benefit gained by using a type definition file?

373 answers
177 good - 196 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
TypeScript

How might you declare a new variable that could be assigned either of the two following logger...

880 answers
239 good - 641 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
ES6

What is the name of the method on the following object?
let i = 0;

911 answers
714 good - 197 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
JavaScript

What does Date.now() return?

832 answers
359 good - 473 bad
 
11.09.2019
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...

816 answers
235 good - 581 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
TypeScript

 If a module’s primary purpose is to house one specific export, you should…

223 answers
104 good - 119 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
ES6

What part of the following statement is optional?  const foo = (a) => { return a * a; };

220 answers
190 good - 30 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
JavaScript

What is the value of x after the following code runs?
var x;
x++;

156 answers
110 good - 46 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
ES6

What does the following statement print to the console?
console.log(`Hello

407 answers
224 good - 183 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
ES6

The following code prints out:
"width"
"height"
"area"

262 answers
178 good - 84 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
TypeScript

What is a correct way to make use of a Generic Array type?

562 answers
206 good - 356 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
HTML 5

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

199 answers
158 good - 41 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
HTML 5

Which callback function should a web developer use to create the smoothest animation?

451 answers
366 good - 85 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
TypeScript

Given the following code:

 interface ICountable {
length: number

203 answers
97 good - 106 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
TypeScript

Which is an intended use of a symbol?

928 answers
718 good - 210 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
ES6

What method will return a boolean if a value occurs in a string?

572 answers
127 good - 445 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
HTML 5

Media formats supported by the HTML audio and video elements without help from 3rd party...

323 answers
126 good - 197 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
HTML 5

Which built-in HTML5 object is used to draw on the canvas?

545 answers
81 good - 464 bad
 
11.09.2019
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...

256 answers
79 good - 177 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
JavaScript

What is the value of y in the following code?
var x = 5;
var y = x++;

623 answers
604 good - 19 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
Angular

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

637 answers
458 good - 179 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
TypeScript

How can other TypeScript files be referenced?

491 answers
358 good - 133 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
Angular

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

621 answers
309 good - 312 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
JavaScript

What does the following return?
Number(null);

488 answers
449 good - 39 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
JavaScript

How do you accomplish function overloading behavior in Javascript?

143 answers
88 good - 55 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
Angular

What is the purpose of FormBuilder?

640 answers
359 good - 281 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
Angular

Which Angular CLI flag creates a directive named "pulse" in its own folder?

981 answers
697 good - 284 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
HTML 5

All of the following are semantic HTML5 elements EXCEPT:

417 answers
153 good - 264 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
TypeScript

What is the goal of control flow-based type analysis?

569 answers
266 good - 303 bad
 
11.09.2019
Fabien Dehopré
Senior Frontend Developer at Satellit
HTML 5

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

860 answers
379 good - 481 bad