JAVASCRIPT Sets-and-maps Online Test

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Instructions:

  • Total number of questions: 10.
  • Time allotted: 10 minutes.
  • Each question carries 1 mark.
  • No negative marks.
  • DO NOT refresh the page.
  • All the best :-)

What You Will Learn:

This JavaScript Sets and Maps Online Test helps you to Boost your Knowledge in JavaScript. In this test, we cover topics in the form of questions like:
  • Set data structure: storing unique values of any type.
  • Set methods: add(), delete(), has(), clear(), size property.
  • Map data structure: key-value pairs with arbitrary key types.
  • Map methods: set(), get(), has(), delete(), size property.
  • WeakSet and WeakMap garbage collection and key restrictions.

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