Pre-Summer Sale Limited Time 65% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: get65

Salesforce Updated JavaScript-Developer-I Exam Questions and Answers by brayden

Page: 7 / 8

Salesforce JavaScript-Developer-I Exam Overview :

Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
Exam Code: JavaScript-Developer-I Dumps
Vendor: Salesforce Certification: Salesforce Developer
Questions: 219 Q&A's Shared By: brayden
Question 28

A developer copied a JavaScript object:

Questions 28

How does the developer access dan's forstName,lastName? Choose 2 answers

Options:

A.

dan,name

B.

dan,firstname ( ) + dan, lastName ( )

C.

dan, firstName = dan.lastName

D.

dan,name ( )

Discussion
Question 29

A developer at Universal Containers is creating their new landing page based on HTML, CSS, and JavaScript. The website includes multiple external resources that are loaded when the page is opened.

To ensure that visitors have a good experience, a script named personalizeWebsiteContent needs to be executed when the webpage is loaded and there is no need to wait for the resources to be available.

Which statement should be used to call personalizeWebsiteContent based on the above business requirement?

Options:

A.

windows,addEventListener('load', personalizeWebsiteContent);

B.

windows,addEventListener('DOMContent Loaded ', personalizeWebsiteContent);

C.

windows,addEventListener('onload', personalizeWebsiteContent);

D.

windows,addEventListener('onDOMCContentLoaded', personalizeWebsiteContent);

Discussion
Question 30

developer creates a new web server that uses Node.js. It imports a server library that

uses events and callbacks for handling server functionality.

The server library is imported with require and is made available to the code by a

variable named server. The developer wants to log any issues that the server has while booting

up.

Given the code and the information the developer has, which code logs an error at boost

with an event?

Options:

A.

Server.catch ((server) => {

console.log(‘ERROR’, error);

});

B.

Server.error ((server) => {

console.log(‘ERROR’, error);

});

C.

Server.on (‘error’, (error) => {

console.log(‘ERROR’, error);

});

D.

Try{

server.start();

} catch(error) {

console.log(‘ERROR’, error);

}

Discussion
Ayesha
They are study materials that are designed to help students prepare for exams and certification tests. They are basically a collection of questions and answers that are likely to appear on the test.
Ayden Mar 4, 2026
That sounds interesting. Why are they useful? Planning this week, hopefully help me. Can you give me PDF if you have ?
Vienna
I highly recommend them. They are offering exact questions that we need to prepare our exam.
Jensen Mar 17, 2026
That's great. I think I'll give Cramkey a try next time I take a certification exam. Thanks for the recommendation!
Neve
Will I be able to achieve success after using these dumps?
Rohan Mar 6, 2026
Absolutely. It's a great way to increase your chances of success.
Everleigh
I must say that they are updated regularly to reflect the latest exam content, so you can be sure that you are getting the most accurate information. Plus, they are easy to use and understand, so even new students can benefit from them.
Huxley Mar 27, 2026
That's great to know. So, you think new students should buy these dumps?
Nadia
Why these dumps are important? Can I pass my exam without these dumps?
Julian Mar 20, 2026
The questions in the Cramkey dumps are explained in detail and there are also study notes and reference materials provided. This made it easier for me to understand the concepts and retain the information better.
Question 31

developer uses the code below to format a date.

Questions 31

After executing, what is the value of formattedDate?

Options:

A.

May 10, 2020

B.

June 10, 2020

C.

October 05, 2020

D.

November 05, 2020

Discussion
Page: 7 / 8

JavaScript-Developer-I
PDF

$36.75  $104.99

JavaScript-Developer-I Testing Engine

$43.75  $124.99

JavaScript-Developer-I PDF + Testing Engine

$57.75  $164.99