Test Your Programming Skills with Safcode!

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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"

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Quiz Start

1. __________ converts different language into JavaScript. None of them
Compilers
Preprocessor
Transpilers

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2. When an object through a combination of properties and methods its semantics, it is called ________. Duck-typing
Compiler
CoffeScript
Traceur

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3. ompilation of the preprocessor happens only _______ just before the first JavaScript is encountered. Thrice
Once
Twice
None of these

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4. What is the alternate name for Java script? ECMScript
ECMAScript
LimeScript
Both a and d

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5. Which of these are valid types of Web Worker? Only Shared are not Dedicated
Neither Dedicated nor Shared
None of These
Dedicated and Shared

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6. Identify the language from which JSON is derived. C
JavaScript
PHP
ECMAScript

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7. Java Script entities start with ____________ and end with ___________? Ampersand, semicolon
Semicolon, colon
Semicolon, Ampersand
Ampersand, colon

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8. How many times does the compilation of the preprocessor happen before the first javascript is encountered? Two
Three
One
None of Them

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9. A _______ define what kind of value will be stored by a particular variable. Data Type
Return Type
None of these
Variable

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10. Which of the following is an asynchronous function? Grouping
Parse
Blocking
CallBack

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