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QIn JavaScript, how should a new property be added to an object?

ID: #4854 Basic JavaScript MCQ 188 views
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#4854Q ID
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Basic JavaScript MCQTopic
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  • A obj.newProperty = 'value'; ✔ ✖
  • B obj.addProperty('newProperty', 'value'); ✔ ✖
  • C obj['newProperty'] = 'value'; ✔ ✖
  • D obj.set('newProperty', 'value'); ✔ ✖
Correct Answer: Option A

Explanation

obj.newProperty = 'value'; is the correct way to add a new property to an object in JavaScript.
You can use the dot notation (obj.property) or the square bracket notation (obj['property']) to add a new property to an object.

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