JavaScript Coding Online Test Questions for Developers FAQ PDF Book Download

Javascript coding online test questions for developers, learn online html MCQs, competency based interview questions with FAQs based online test prep. Html frequently asked questions has multiple choice questions (MCQs), javascript coding online test questions for developers as data type of an array is, with choices char, int, object, and nan for online html certifications. Free FAQ, situational interview questions are to learn javascript coding online test questions for developers: Q&A online with MCQs to practice test questions with answers.

FAQ: JavaScript Coding Online Test Questions for Developers PDF Book Download

MCQ: Data type of an array is

  1. Char
  2. int
  3. object
  4. NaN

C

MCQ: Data type of NaN is a

  1. Null
  2. Undefined
  3. Character
  4. Number

D

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

  1. JavaScript function
  2. Comparison
  3. Type conversion
  4. Expression parsing

A

MCQ: Typeof operator of JavaScript always returns a/an

  1. Object
  2. Function
  3. String
  4. Number

C

MCQ: Data type of null is a/an

  1. Undefined
  2. Object
  3. Number
  4. Function

B