Salesforce Certified JavaScript Developer I Dumps
January 07,2021 02:59 AM
JavaScript Developer I is a pop one of Salesforce certifications. We have cracked the latest Salesforce Certified JavaScript Developer I exam dumps, which are the best material for you to study the test. Salesforce Certified JavaScript Developer I certification is developed for Salesforce professionals who have knowledge, skills, and experience implementing front-end and/orback-end JavaScript solutions on the Salesforce platform or the web stack in general, and are looking to verify their exoertise to further advance their career in this department.
Salesforce JavaScript Developer I Exam
Number of questions: 60 multiple choice questions
Duration: 105 minutes
Passing score: 65%
Registration fee: $200
Retake fee: $100
JavaScript Developer I Exam Outline
Salesforce JavaScript Developer I exam outline contains the following details.
Practice JavaScript Developer I Exam Dumps
The new cracked Salesforce certified JavaScript Developer I exam dumps can help you test all the above exam outline. There are 144 Q&As in the JavaScript Developer I exam dumps. Share some JavaScript Developer I exam dumps questions and answers below.
1.A developer creates an object where its properties should be immutable and prevent properties from being added or modified.Which method should be used to execute this business requirement?
A. Object.const()
B. Object.eval()
C. Object.lock()
D. Object.freeze()
Answer: D
2.In which situation should a developer include a try .. catch block around their function call?
A. The function has an error that should not be silenced.
B. The function results in an out of memory issue.
C. The function might raise a runtime error that needs to be handled.
D. The function contains scheduled code.
Answer: C
3.Which three statements are true about promises? Choose 3 answers
A. The executor of a new Promise runs automatically.
B. A Promise has a .then() method.
C. A fulfilled or rejected promise will not change states .
D. A settled promise can become resolved.
E. A pending promise can become fulfilled, settled, or rejected.
Answer: B,C,E
4.Which statement accurately describes the behaviour of the async/ await keyworks?
A. The associated class contains some asynchronous functions.
B. The associated function will always return a promise
C. The associated function can only be called via asynchronous methods
D. The associated sometimes returns a promise.
Answer: B
5.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? Choose 3 answers:
A. I nstalls with its own package manager to install and manage third-party libraries.
B. Ensures stability with one major release every few years.
C. Performs a static analysis on code before execution to look for runtime errors.
D. Executes server-side JavaScript code to avoid learning a new language.
E. User non blocking functionality for performant request handling.
Answer: A,C,E
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