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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. How many times does the compilation of the preprocessor happen before the first javascript is encountered?
None of Them
Two
Three
One
View Answer
2. __________ converts different language into JavaScript.
Preprocessor
Compilers
None of them
Transpilers
View Answer
3. _________ converts edge JavaScript into plain old ES5 JavaScript that can run in any new as well as old browser.
Webpack
Babel
None of These
Rollup
View Answer
4. Java Script entities start with ____________ and end with ___________?
Semicolon, Ampersand
Semicolon, colon
Ampersand, colon
Ampersand, semicolon
View Answer
5. When an object through a combination of properties and methods its semantics, it is called ________.
Duck-typing
Traceur
CoffeScript
Compiler
View Answer
6. The ____ type specifies that a variable can take only positive values.
Positive
Unsigned
Positive
Signed
View Answer
7. What is the alternate name for Java script?
Both a and d
LimeScript
ECMScript
ECMAScript
View Answer
8. Which of the following keyword is used to create an object?
new
None of these
class
Object
View Answer
9. _________ is a robust JavaScript minification tool.
Google Closure Compiler
JavaScript Optimizer
All of them
Gulp Tool
View Answer
10. Which of these consumes CPU cycles and makes the system less responsive?
XAMPP
Web Worker
JSON
DOM API
View Answer