Expressions and Operators MCQ

Test your knowledge with important Expressions and Operators MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Expressions and Operators MCQs at Bissoy

• “An expression that can legally appear on the left side of an assignment expression.” is a well known explanation for variables, properties of objects, and elements of arrays. They are called ___________
  ক

  Properties

  খ

  Prototypes

  গ

  Lvalue

  ঘ

  Definition
• Among the following, which one is a ternary operator?
  ক

  +

  খ

  :

  গ

  –

  ঘ

  ?:
• Which of the operator is used to test if a particular property exists or not?
  ক

  in

  খ

  exist

  গ

  within

  ঘ

  exists
• What kind of expression is “new Point(2,3)”?
  ক

  Primary Expression

  খ

  Object Creation Expression

  গ

  Invocation Expression

  ঘ

  Constructor Calling Expression
• The expression of calling (or executing) a function or method in JavaScript is called ________
  ক

  Primary expression

  খ

  Functional expression

  গ

  Invocation expression

  ঘ

  Property Access Expression
• The property of a primary expression is ____________
  ক

  stand-alone expressions

  খ

  basic expressions containing all necessary functions

  গ

  contains variable references alone

  ঘ

  contains only keywords
• A function definition expression can be called as __________
  ক

  Function prototype

  খ

  Function literal

  গ

  Function calling

  ঘ

  Function declaration