JAVASCRIPT Objects 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 Objects Online Test helps you to Boost your Knowledge in JavaScript. In this test, we cover topics in the form of questions like:
  • Object literals, property access (dot vs bracket notation).
  • Object methods: Object.keys(), Object.values(), Object.entries(), Object.assign().
  • Property existence checks: 'in' operator vs hasOwnProperty().
  • Shallow copying vs Deep copying techniques.
  • Object.freeze() vs Object.seal() and property descriptors.

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