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 JavaScript-Developer-I Dumps with Practice Exam Questions Answers

Questions: 215 questions With Step-by-Step Explanation

Last Update: Dec 23, 2024

JavaScript-Developer-I Question Includes: Single Choice Questions: 161, Multiple Choice Questions: 49, Correct Text: 5,

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Salesforce JavaScript-Developer-I Practice Exam FAQs

1. What is the Salesforce JavaScript-Developer-I Exam?


The Salesforce Certified JavaScript Developer I (SU24) Exam is a certification test designed for developers who create front-end and/or back-end JavaScript applications for the web stack. It validates your skills in JavaScript programming and your ability to work with Salesforce’s Lightning Web Components.

2. What topics are covered in the Salesforce JavaScript-Developer-I Exam?


The Salesforce JavaScript-Developer-I Exam is a certification test designed for developers who create front-end and/or back-end JavaScript applications for the web stack. It validates your skills in JavaScript programming and your ability to work with Salesforce’s Lightning Web Components.

3. What is the Salesforce JavaScript-Developer-I exam format and duration?


The Salesforce JavaScript-Developer-I exam consists of 60 multiple-choice questions that must be completed within 105 minutes.

4. What is the passing score for the Salesforce JavaScript-Developer-I Exam?


To pass the Salesforce JavaScript-Developer-I exam, you need to score at least 65%.

5. What is the significance of the Salesforce JavaScript-Developer-I Certification?


Earning the Salesforce JavaScript-Developer-I certification demonstrates your expertise in JavaScript and Salesforce’s Lightning Web Components, making you a valuable asset to employers and enhancing your career prospects.

6. What is the difference between Salesforce JavaScript-Developer-I and OmniStudio-Developer Certification Exams?


The Salesforce JavaScript-Developer-I and OmniStudio-Developer Certification Exams are both focused on developing applications on the Salesforce platform, but they have distinct areas of focus:

  • JavaScript-Developer-I: The Salesforce JavaScript-Developer-I Exam Validates foundational knowledge and skills in developing JavaScript applications for Salesforce.
  • OmniStudio-Developer: The Salesforce OmniStudio-Developer Exam Validates knowledge and skills in developing applications using OmniStudio, a low-code development platform on Salesforce.

7. How do the JavaScript-Developer-I PDF questions and practice questions on Dumpstool help in preparing for the Exam?


Our Salesforce JavaScript-Developer-I PDF questions and practice questions come with detailed explanations that help you understand complex JavaScript concepts and their application in Salesforce. This helps you develop the skills needed to answer JavaScript-Developer-I real exam questions confidently.

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The testing engine on Dumpstool closely simulates the actual exam environment. It provides timed JavaScript-Developer-I practice tests that mimic the format and question types you’ll encounter on the Salesforce JavaScript-Developer-I exam, helping you build confidence and improve time management.

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JavaScript-Developer-I Questions and Answers

Question # 1

Refer to the following array:

Let arr = [1, 2, 3, 4, 5];

Which three options result in x evaluating as [1,2]?

Choose 3 answer

A.

let x = arr. slice (2);

B.

let x = arr. slice (0, 2);

C.

let x arr.filter((a) => (return a <= 2 });

D.

let x = arr.filter ((a) => 2 }) ;

E.

let x =arr.splice(0, 2);

Question # 2

Given the code below:

Which three code segments result in a correct conversion from number to string? Choose 3 answers

A.

let strValue = numValue. toString();

B.

let strValue = * * 4 numValue;

C.

let strValue = numValue.toText ();

D.

let scrValue = String(numValue);

E.

let strValue = (String)numValue;

Question # 3

Refer to code below:

Const objBook = {

Title: ‘Javascript’,

};

Object.preventExtensions(objBook);

Const newObjBook = objBook;

newObjectBook.author =‘Robert’;

What are the values of objBook and newObjBook respectively ?

A.

[title: “javaScript”] [title: “javaScript”]

B.

{author: “Robert”, title: “javaScript}

Undefined

C.

{author: “Robert”, title: “javaScript}

{author: “Robert”, title: “javaScript}

D.

{author: “Robert”}

{author: “Robert”, title: “javaScript}

Question # 4

Given the following code:

document.body.addEventListener(‘ click ’, (event) => {

if (/* CODE REPLACEMENT HERE */) {

console.log(‘button clicked!’);

)

});

Which replacement for the conditional statement on line 02 allows a developer to

correctly determine that a button on page is clicked?

A.

Event.clicked

B.

e.nodeTarget ==this

C.

event.target.nodeName == ‘BUTTON’

D.

button.addEventListener(‘click’)

Question # 5

Refer to the following code block:

class Animal{

constructor(name){

this.name = name;

}

makeSound(){

console.log(`${this.name} ismaking a sound.`)

}

}

class Dog extends Animal{

constructor(name){

super(name)

this.name = name;

}

makeSound(){

console.log(`${this.name} is barking.`)

}

}

let myDog = new Dog('Puppy');

myDog.makeSound();

What is the console output?

A.

Puppy is barking