HTML MCQs – Practice Test for Exam Prep

JavaScript Coding Online Test Questions for Developers PDF

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Free HTML MCQ App Download: "Data type of an array is"; MCQ with answers: char, int, object, and nan. Learn JavaScript Coding Online Test Questions for Developers FAQs, download Google e-Book (Free Chapter) for computer information science.

HTML MCQs with Answers – PDF Download

MCQ 1: The data type of an array is:

Char
int
object
NaN

MCQ 2: The data type of NaN is a:

Null
Undefined
Character
Number

MCQ 3: Variables in JavaScript can be converted to a new variable and another data type, by using:

JavaScript function
Comparison
Type conversion
Expression parsing

MCQ 4: The typeof operator of JavaScript always returns a/an:

Object
Function
String
Number

MCQ 5: The data type of null is a/an:

Undefined
Object
Number
Function

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