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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 edge JavaScript into plain old ES5 JavaScript that can run in any new as well as old browser.
Webpack
None of These
Rollup
Babel
View Answer
2. The ____ type specifies that a variable can take only positive values.
Signed
Positive
Positive
Unsigned
View Answer
3. Which of the following is an asynchronous function?
CallBack
Blocking
Grouping
Parse
View Answer
4. Identify the language from which JSON is derived.
ECMAScript
PHP
JavaScript
C
View Answer
5. Which of these consumes CPU cycles and makes the system less responsive?
DOM API
JSON
Web Worker
XAMPP
View Answer
6. A _______ define what kind of value will be stored by a particular variable.
Data Type
None of these
Return Type
Variable
View Answer
7. Which of these is a language and also asset of tools complied into javascript itself?
None of Them
Non-Script
TypeScript
CoffeeScript
View Answer
8. What language defines the behavior of a web page?
Javascript
HTML
XML
CSS
View Answer
9. Which of these are valid types of Web Worker?
Only Shared are not Dedicated
Dedicated and Shared
Neither Dedicated nor Shared
None of These
View Answer
10. Java Script entities start with ____________ and end with ___________?
Semicolon, Ampersand
Semicolon, colon
Ampersand, colon
Ampersand, semicolon
View Answer