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Test Your Programming Skills with Safcode!
Here is all important interview / exams questions.
Student doing practice apptitude test on safcode platform.
Instruction: "Total Number of Questions: 20
Each question carry 10 mark , no negative marking"
Quiz Start
1. __________ converts different language into JavaScript.
Transpilers
Compilers
Preprocessor
None of them
View Answer
2. A _______ define what kind of value will be stored by a particular variable.
Variable
Data Type
None of these
Return Type
View Answer
3. _________ converts edge JavaScript into plain old ES5 JavaScript that can run in any new as well as old browser.
None of These
Babel
Webpack
Rollup
View Answer
4. Which of these are valid types of Web Worker?
Only Shared are not Dedicated
Neither Dedicated nor Shared
None of These
Dedicated and Shared
View Answer
5. Which of the following is an asynchronous function?
Blocking
Grouping
Parse
CallBack
View Answer
6. Identify the language from which JSON is derived.
JavaScript
PHP
C
ECMAScript
View Answer
7. Which of the following keyword is used to create an object?
Object
new
None of these
class
View Answer
8. When an object through a combination of properties and methods its semantics, it is called ________.
CoffeScript
Duck-typing
Traceur
Compiler
View Answer
9. Which of the following protocol service uses JSON?
IP
HTTP
SOAP
None of these
View Answer
10. How many times does the compilation of the preprocessor happen before the first javascript is encountered?
Two
One
Three
None of Them
View Answer