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JavaScript-Developer-I Exam Dumps : Salesforce Certified JavaScript Developer (JS-Dev-101)

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Salesforce JavaScript-Developer-I Exam Dumps FAQs

Q. # 1: What is the Salesforce Certified JavaScript Developer (JS-Dev-101) Exam?

The Salesforce Certified JavaScript Developer (JS-Dev-101) Exam is designed for candidates who develop front-end and/or back-end JavaScript applications for the web stack. It tests your knowledge of JavaScript fundamentals, including variables, types, collections, objects, functions, classes, browser and events, asynchronous programming, server-side JavaScript, debugging, error handling, and testing.

Q. # 2: Who should take the Salesforce JavaScript-Developer-I Exam?

The Salesforce JavaScript-Developer-I exam is ideal for developers who want to validate their skills in building and customizing Salesforce applications using JavaScript. It caters to individuals with a solid foundation in JavaScript and a basic understanding of the Salesforce platform.

Q. # 3: What topics are covered in the Salesforce Certified JavaScript Developer (JS-Dev-101) Exam?

The Salesforce Certified JavaScript Developer (JS-Dev-101) exam focuses on core JavaScript concepts and their application within Salesforce. Key areas include:

  • Variables, Types, and Collections (23%)
  • Objects, Functions, and Classes (25%)
  • Browser and Events (17%)
  • Debugging and Error Handling (7%)
  • Asynchronous Programming (13%)
  • Server Side JavaScript (8%)
  • Testing (7%)

Q. # 4: How many questions are on the Salesforce JavaScript-Developer-I Exam?

The Salesforce JavaScript-Developer-I exam consists of 60 multiple-choice questions.

Q. # 5: How long is the Salesforce JavaScript-Developer-I Exam?

The Salesforce JavaScript-Developer-I exam duration is 2 hours.

Q. # 6: What is the passing score for the Salesforce JavaScript-Developer-I Exam?

The passing score for the Salesforce JavaScript-Developer-I exam is 65%.

Q. # 7: What is the difference between Salesforce JavaScript-Developer-I and OmniStudio-Developer Exams?

The Salesforce JavaScript-Developer-I and OmniStudio-Developer exams cater to different aspects of development within the Salesforce ecosystem. Here’s a concise comparison:

  • Salesforce JavaScript-Developer-I Exam: The Salesforce JavaScript-Developer-I Exam centers on general JavaScript development skills applicable to both front-end and back-end applications. It covers fundamental JavaScript topics, including variables, types, functions, and asynchronous programming.
  • Salesforce OmniStudio-Developer Exam: The Salesforce OmniStudio-Developer Exam focuses on developing cloud applications using Salesforce's OmniStudio tools. This includes creating custom applications and solutions within the Salesforce platform, making it highly specialized for OmniStudio users.

Q. # 8: How can CertsTopics help me prepare for the Salesforce Certified JavaScript Developer (JS-Dev-101) Exam?

CertsTopics offers comprehensive study materials, including JavaScript-Developer-I PDFs, a testing engine, and detailed questions and answers, all tailored for the Salesforce Certified JavaScript Developer (JS-Dev-101) exam.

Q. # 9: Does CertsTopics offer a refund policy if I fail the Salesforce Certified JavaScript Developer (JS-Dev-101) Exam?

Yes, CertsTopics provides a success guarantee, and eligible candidates can request a refund or additional JavaScript-Developer-I study materials in the unlikely event of failure.

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Yes, you can find customer reviews and testimonials for CertsTopics JavaScript-Developer-I practice exam materials on our website. Feedback from previous users can help you gauge the effectiveness and quality of JavaScript-Developer-I questions and answers.

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Salesforce Certified JavaScript Developer (JS-Dev-101) Questions and Answers

Question 1

Refer to the following code:

Let sampleText = ‘The quick brown fox jumps’;

A developer needs to determine if a certain substring is part of a string.

Which three expressions return true for the given substring ?

Choose 3 answers

Options:

A.

sampleText.includes(‘fox’);

B.

sampleText.includes(‘ quick ’, 4);

C.

sampleText.includes(‘ Fox ’, 3)

D.

sampleText.includes(‘ fox ’);

E.

sampleText.includes(‘ quick ’) !== -1;

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Question 2

Which code statement below correctly persists an objects in local Storage ?

Options:

A.

const setLocalStorage = (storageKey, jsObject) => {

window.localStorage.setItem(storageKey, JSON.stringify(jsObject));

}

B.

const setLocalStorage = ( jsObject) => {

window.localStorage.connectObject(jsObject));

}

C.

const setLocalStorage = ( jsObject) => {

window.localStorage.setItem(jsObject);

}

D.

const setLocalStorage = (storageKey, jsObject) => {

window.localStorage.persist(storageKey, jsObject);

}

Question 3

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

Options:

A.

Async runParallel () .then(data);

B.

runParallel ( ). done(function(data){

return data;

});

C.

runParallel () .then(data);

D.

runParallel () .then(function(data)

return data