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

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2. Which of the following is the tainted property of a window object in Java Script? Protocol
Pathname
Host
Defaultstatus

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

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

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

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6. _________ is a robust JavaScript minification tool. All of them
Google Closure Compiler
Gulp Tool
JavaScript Optimizer

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

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8. _________ converts edge JavaScript into plain old ES5 JavaScript that can run in any new as well as old browser. Webpack
Rollup
None of These
Babel

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

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

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