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. None of these
Twice
Thrice
Once

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

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

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

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

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

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

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9. Which among these predefined properties does RegExp have? None of these
Pattern and Matcher
Matcher and Madrid
Pattern Only

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

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