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

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2. Range for char datatype is _________. -128 to 127
None of these
256 to 255
-32768 t0 32767

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

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

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

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6. The ____ type specifies that a variable can take only positive values. Positive
Signed
Positive
Unsigned

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7. What language defines the behavior of a web page? HTML
CSS
Javascript
XML

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

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9. Which of these is a language and also asset of tools complied into javascript itself? TypeScript
None of Them
CoffeeScript
Non-Script

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

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