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2025 Salesforce Accurate JavaScript-Developer-I: Salesforce Certified JavaScript Developer I Exam Pass Guide

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Salesforce Certified JavaScript Developer I Exam Sample Questions (Q80-Q85):

NEW QUESTION # 80
Given the code below.

What is logged to the console?

A. 0
B. 1
C. 2
D. 3

Answer: C

NEW QUESTION # 81
A developer is setting up a new Node.js server with a client library that is built using events and callbacks.
The library:
* Will establish a web socket connection and handle receipt of messages to the server
* Will be imported with require, and made available with a variable called ws.
The developer also wants to add error logging if a connection fails.
Given this information, which code segment show the correct way to set up a client two events that listen at execution time?
A)

A. Option B
B. Option A
C. Option D
D. Option C

Answer: C

NEW QUESTION # 82
Refer to the code snippet below:
Let array = [1, 2, 3, 4, 4, 5, 4, 4];
For (let i =0; i < array.length; i++)
if (array[i] === 4) {
array.splice(i, 1);
}
}
What is the value of array after the code executes?

A. [1, 2, 3, 5]
B. [1, 2, 3, 4, 5, 4, 4]
C. [1, 2, 3, 4, 5, 4]
D. [1, 2, 3, 4, 4, 5, 4]

Answer: D

Explanation:

NEW QUESTION # 83
Refer to the code below:

What are the value of objBook and newObBook respectively?

A. ( Title: JavaScript'')
( Title: JavaScript'')
B. ( author: ''Robert'', title JavaScript'' )
( author: ''Robert'', title JavaScript'' )
C. (author: ''Robert'' )
(Author: ''Robert '', title: JavaScript'')
D. author: ''Robert title ''javaScript'' ) undefined

Answer: D

NEW QUESTION # 84
Given the following code, what is the value of x?
let x = '15' + (10 * 2);

A. 0
B. 1
C. 2
D. 3

Answer: C

NEW QUESTION # 85
......

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