100% Pass 2025 Salesforce JavaScript-Developer-I: New Salesforce Certified JavaScript Developer I Exam Exam Test

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Salesforce JavaScript-Developer-I Exam is a certification for JavaScript developers who specialize in building custom applications on the Salesforce platform. JavaScript-Developer-I exam is designed to test a candidate's knowledge of JavaScript programming concepts, as well as their ability to develop custom applications using the Salesforce Lightning Platform.

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Earning the Salesforce Certified JavaScript Developer I certification demonstrates a candidate's proficiency in developing custom applications using JavaScript in Salesforce. Salesforce Certified JavaScript Developer I Exam certification is a valuable asset for individuals seeking to advance their careers in Salesforce development or for organizations looking to hire skilled Salesforce developers. Salesforce Certified JavaScript Developer I Exam certification also provides access to the Salesforce Certified Community, which offers networking opportunities, exclusive resources, and ongoing support for Salesforce developers.

Salesforce Certified JavaScript Developer I Exam Sample Questions (Q141-Q146):

NEW QUESTION # 141
Refer to the code:

Given the code above, which three properties are set pet1?
Choose 3 answers:

A. canTalk
B. Owner
C. Name
D. Type
E. Size

Answer: A,D,E

NEW QUESTION # 142
A developer at Universal Containers creates a new landing page based on HTML, CSS, and JavaScript TO ensure that visitors have a good experience, a script named personaliseContext needs to be executed when the webpage is fully loaded (HTML content and all related files ), in order to do some custom initialization.
Which statement should be used to call personalizeWebsiteContent based on the above business requirement?

A. window.addEventListener('load',personalizeWebsiteContext);
B. document.addEventListener(''onDOMContextLoaded', personalizeWebsiteContext);
C. Document.addEventListener('''DOMContextLoaded' , personalizeWebsiteContext);
D. window.addEventListener('onload', personalizeWebsiteContext);

Answer: A

NEW QUESTION # 143
A developer is trying to convince management that their team will benefit from using Node.JS for a backend server that they are going to create. The server will be a web server that handles API requests from a website that the team has already built using HTML, CSS, and JavaScript.
Which three benefits of Node.js can the developer use to persuade their manager?
Which three benefits of Node.js can the developer use to persuade their manager?

A. Performs a static analysis can code before execution to look for runtime errors.
B. Uses non-blocking functionality for performant request handling
C. Executes server-side JavaScript code to avoid learning a new language.
D. Ensure stability with one major release every few years.
E. Installs with its own package manager to install and manage third-party libraries.

Answer: A

NEW QUESTION # 144
A test has a dependency on database.query. During the test the dependency is replaced with an object called database with the method, query, that returns an array. The developer needs to verify how many times the method was called and the arguments used each time.
Which two test approaches describe the requirement?
Choose 2 answers

A. Integration
B. Mocking
C. White box
D. Black box

Answer: B,C

NEW QUESTION # 145
A developer writes the code below to return a message to a user attempting to register a new username. If the username is available, a variable named nag is declared and assigned a value on line 03.

What is the value of msg when getAvailableabilityMessage ("newUserName") is executed and get Availability ("newUserName") returns true?

A. "newUserName"
B. "User-name available"
C. "msg is not defined"
D. undefined

Answer: B

NEW QUESTION # 146
......

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