Modules in JavaScript MCQ

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

• What can be done in order to avoid the creation of global variables in JavaScript?
  ক

  To use a method that defines all the variables

  খ

  To use an object that has the reference to all the variables

  গ

  To use an object as its namespace

  ঘ

  To use global functions
• The properties() method is a ________
  ক

  Enumerable method

  খ

  Non-enumerable method

  গ

  Operational method

  ঘ

  calling method
• The provides() function and the exportsobject are used to _________
  ক

  Register the module’s API and Store their API

  খ

  Call the modules api

  গ

  Store the module’s API

  ঘ

  Register the modules api
• Modules that have more than one item in their API can ________
  ক

  Assign itself to a global variable

  খ

  Invoke another module of the same kind

  গ

  Return a namespace object

  ঘ

  Invoke another module of the same kind
• The scope of a function is also called as ________
  ক

  Predefined function

  খ

  Module function

  গ

  Public function

  ঘ

  Private function
• To define each of the set classes as a property of the sets object (namespace) for the module, the statement is
  ক

  sets = sets.AbstractEnumerableSet.extend();

  খ

  sets.SingletonSet = sets.AbstractEnumerableSet.extend(…);

  গ

  sets.SingletonSet = sets.extend(…);

  ঘ

  sets = sets.extend(…);
• The maximum number of global symbols a module can define is ____________
  ক

  2

  খ

  3

  গ

  1

  ঘ

  4
• The functions provide() and require() of Dojo toolkit and Google’s Closure library are used for ___________
  ক

  declaring and loading modules

  খ

  declaring functions

  গ

  declaring modules

  ঘ

  loading modules