Name: Salesforce.JavaScript-Developer-I.v2022-05-18.q146 Question 52
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Salesforce.JavaScript-Developer-I.v2022-05-18.q146
Question 52

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Question 52/146

Refer to the code below:

What are the value of objBook and newObBook respectively?

A. ( author: ''Robert'', title JavaScript'' )
( author: ''Robert'', title JavaScript'' )

B. (author: ''Robert'' )
(Author: ''Robert '', title: JavaScript'')

C. ( Title: JavaScript'')
( Title: JavaScript'')

D. author: ''Robert title ''javaScript'' ) undefined

Correct Answer: D

Recent Comments (The most recent comments are at the top.)

Bogdan Vircolici - May 31, 2024

C is right answer

Manisha Achtani - May 26, 2022

The answer should be C. Because above function Prevents adding properties to an object.

const objBook={ title: "javascript"};
Object.preventExtensions(objBook);
const newObjBook = objBook;
newObjBook.author = 'Robert';
Object.keys(objBook);

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