JAVASCRIPT-DEVELOPER-I LATEST EXAM TEST & AUTHORIZED JAVASCRIPT-DEVELOPER-I CERTIFICATION

JavaScript-Developer-I Latest Exam Test & Authorized JavaScript-Developer-I Certification

JavaScript-Developer-I Latest Exam Test & Authorized JavaScript-Developer-I Certification

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Salesforce Certified JavaScript Developer I (JS-Developer-I) Certification Exam is designed to evaluate the knowledge and skills of developers in building custom applications on the Salesforce platform using JavaScript. Salesforce Certified JavaScript Developer I Exam certification exam is intended for those developers who have a good understanding of JavaScript and its various frameworks and libraries. JavaScript-Developer-I Exam is also useful for developers who want to enhance their skills and knowledge in building custom applications on the Salesforce platform.

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To take the Salesforce JavaScript-Developer-I Exam, the candidate must have a solid understanding of JavaScript, as well as experience in developing custom applications on the Salesforce platform. JavaScript-Developer-I exam is designed for developers who have a minimum of six months of experience in developing custom applications on the Salesforce platform using JavaScript. Salesforce Certified JavaScript Developer I Exam certification provides an excellent opportunity for professionals to demonstrate their expertise in Salesforce development and enhance their career prospects in this field.

Salesforce JavaScript-Developer-I Certification Exam is designed for developers who have a strong foundation in JavaScript and are looking to specialize in Salesforce development. JavaScript-Developer-I exam measures the candidate's knowledge of Salesforce development concepts, including Apex, Visualforce, and Lightning Components, as well as their proficiency in JavaScript programming. Salesforce Certified JavaScript Developer I Exam certification is intended to demonstrate the candidate's ability to design, develop and test custom applications on the Salesforce platform.

Salesforce Certified JavaScript Developer I Exam Sample Questions (Q154-Q159):

NEW QUESTION # 154
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. Uses non-blocking functionality for performant request handling .
  • B. Performs a static analysis on code before execution to look for runtime errors.
  • C. Executes server-side JavaScript code to avoid learning a new language.
  • D. Installs with its own package manager to install and manage third-party libraries.
  • E. Ensures stability with one major release every few years.

Answer: A,B,D


NEW QUESTION # 155
A developer wrote a fizzbuzz function that when passed in a number, returns the
following:
● 'Fizz' if the number is divisible by 3.
● 'Buzz' if the number is divisible by 5.
● 'Fizzbuzz' if the number is divisible by both 3 and 5.
● Empty string if the number is divisible by neither 3 or 5.
Which two test cases will properly test scenarios for the fizzbuzz function?
Choose 2 answers

  • A. let res = fizzbuzz(5);
    console.assert ( res === ' ' );
  • B. let res = fizzbuzz(15);
    console.assert ( res === ' fizzbuzz ' )
  • C. let res = fizzbuzz(3);
    console.assert ( res === ' buzz ' )
  • D. let res = fizzbuzz(Infinity);
    console.assert ( res === ' ' )

Answer: B,C,D


NEW QUESTION # 156
A developer has a web server running with Node.js. The command to start the web server is node server.js. The web server started having
latency issues. Instead of a one second turnaround for web requests, the developer now sees a five second turnaround.
Which command can the web developer run to see what the module is doing during the latency period?

  • A. DEBUG=true node server.js
  • B. NODE_DEBUG=http,https node server.js
  • C. DEBUG=http, https node server.js
  • D. NODE_DEBUG=true node server.js

Answer: A


NEW QUESTION # 157
Refer to the code below:
01 const exec = (item, delay) =>{
02 new Promise(resolve => setTimeout( () => resolve(item), delay)),
03 async function runParallel() {
04 Const (result1, result2, result3) = await Promise.all{
05 [exec ('x', '100') , exec('y', 500), exec('z', '100')]
06 );
07 return `parallel is done: $(result1) $(result2)$(result3)`;
08 }
}
}
Which two statements correctly execute the runParallel () function?
Choose 2 answers

  • A. runParallel () .then(data);
  • B. Async runParallel () .then(data);
  • C. runParallel ( ). done(function(data){
    return data;
    });
  • D. runParallel () .then(function(data) return data

Answer: C,D


NEW QUESTION # 158
Which statement accurately describes an aspect of promises?

  • A. In a , them ( ) function, returning results is not necessary since callback will catch the result of a previous promise.
  • B. Agruments for the callback function passed to .then ( ) are optional.
  • C. .then ( ) manipulates and returns the original promise.
  • D. .Them ( ) cannot be added after a catch.

Answer: B


NEW QUESTION # 159
......

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