Rate this post

[Sep 23, 2026] JavaScript-Developer-I Exam Dumps – Try Best JavaScript-Developer-I Exam Questions – Actualtests4sure

Verified JavaScript-Developer-I exam dumps Q&As with Correct 149 Questions and Answers

Salesforce JavaScript-Developer-I Exam Overview:

Certification Vendor: Salesforce
Exam Name: Salesforce Certified JavaScript Developer I Exam
Exam Number: JS-Dev-101 / JavaScript-Developer-I
Exam Format: Multiple-choice, Multiple-select
Passing Score: 65%
Certificate Validity Period: No expiration; requires regular maintenance via Trailhead modules
Real Exam Qty: 60 scored + up to 5 unscored
Available Languages: English, Japanese
Related Certifications: Salesforce Certified Platform Developer I
Salesforce Certified Lightning Web Components Specialist
Exam Duration: 105 minutes
Exam Price: USD 200 (+ applicable taxes)
Recommended Training: Salesforce JavaScript Developer I Certification Prep
Exam Registration: Salesforce Certification Registration
Sample Questions: Salesforce JavaScript-Developer-I Sample Questions
Exam Way: Online proctored or onsite at authorized testing centers
Pre Condition: No formal prerequisites; 1–2 years of JavaScript development experience recommended
Official Syllabus URL: https://trailhead.salesforce.com/credentials/javascript-developer-i

 

NO.18 Which two console logs output NaN?

 
 
 
 

NO.19 Refer to the HTML below:
<p> The current status of an order: < span> id=” status ‘> In progress < /span> < /p> Which JavaScript Statement changes the text ‘In Progress’ to Completed’?

 
 
 
 

NO.20 Refer to the code below:

Which replacement for the conditional statement on line 02 allows a developer to correctly determine that a specific element, myElement on the page had been clicked?

 

NO.21 Refer to the following code:
01 class Ship {
02 constructor(size) {
03 this.size = size;
04 }
05 }
06
07 class FishingBoat extends Ship {
08 constructor(size, capacity){
09 //Missing code
10 this.capacity = capacity;
11 }
12 displayCapacity() {
13 console.log( ‘ The boat has a capacity of ${this.capacity} people. ‘ );
14 }
15 }
16
17 let myBoat = new FishingBoat( ‘ medium ‘ , 10);
18 myBoat.displayCapacity();
Which statement should be added to line 09 for the code to display
The boat has a capacity of 10 people?

 
 
 
 

NO.22 Which statement can a developer apply to increment the browser’s navigation history without a page refesh?

 
 
 
 

NO.23 A developer uses a parsed JSON string to work with user information as in the block below:
01 const userInformation ={
02 ” id ” : “user-01”,
03 “email” : “[email protected]”,
04 “age” : 25
Which two options access the email attribute in the object?
Choose 2 answers

 
 
 
 

NO.24 A developer is setting up a new Node.js server with a client library that is built using events and callbacks.
The library:
* Will establish a web socket connection and handle receipt of messages to the server
* Will be imported with require, and made available with a variable called ws.
The developer also wants to add error logging if a connection fails.
Given this information, which code segment show the correct way to set up a client two events that listen at execution time?
A)

B)

C)

D)

 
 
 
 

NO.25 A developer is wondering whether to use, promise, then or provise, catch especially when a promise throws an error.
Which two promises are rejected? Choose 2 answers

 
 
 
 

NO.26 A developer creates a simple webpage with an input field. When a user enters text in the input field and clicks the button, the actual value of the field must be displayed in the console.
Here is the HTML file content:
<input type =” text” value=”Hello” name =”input”>
<button type =”button” >Display </button>
The developer wrote the javascript code below:
Const button = document.querySelector(‘button’);
button.addEvenListener(‘click’, () => (
Const input = document.querySelector(‘input’);
console.log(input.getAttribute(‘value’));
When the user clicks the button, the output is always “Hello”.
What needs to be done make this code work as expected?

 
 
 
 

NO.27 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

 
 
 
 

NO.28 Which statement accurately describes an aspect of promises?

 
 
 
 

NO.29 Refer to the following array:
Let arr1 = [ 1,2, 3, 4, 5 ];

Which two lines of code result in a second array, arr2 being created such that arr2 is not a reference to arr1?

 
 
 
 

NO.30 Refer to the following code:

Which statement should be added to line 09 for the code to display. The boat has a capacity of 10 people?

 
 
 
 

NO.31 Given the HTML below:
< div >
< div id= ” row-uc ” > Universal Containers < /div >
< div id= ” row-as ” > Applied Shipping < /div >
< div id= ” row-bt ” > Burlington Textiles < /div >
< /div >
Which statement adds the priority-account CSS class to the Applied Shipping row?

 
 
 
 

NO.32 Given the code below:
01 const delay = async delay = > {
02 return new Promise((resolve, reject) = > {
03 console.log(1);
04 setTimeout(resolve, delay);
05 });
06 };
07
08 const callDelay = async () = > {
09 console.log(2);
10 const yup = await delay(1000);
11 console.log(3);
12 };
13
14 console.log(4);
15 callDelay();
16 console.log(5);
What is logged to the console?

 
 
 
 

Salesforce JavaScript-Developer-I exam is designed for professionals who want to validate their skills and knowledge in developing JavaScript applications on the Salesforce platform. Salesforce Certified JavaScript Developer (JS-Dev-101) certification is intended for developers who are proficient in JavaScript and have experience in developing custom applications using Salesforce. JavaScript-Developer-I exam covers various topics such as Lightning Web Components, Apex, and Visualforce, which are essential for building scalable and secure applications on Salesforce.

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 (JS-Dev-101) 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.

 

Salesforce JavaScript-Developer-I Test Engine PDF – All Free Dumps: https://www.actualtests4sure.com/JavaScript-Developer-I-test-questions.html

         

Related Links: www.stes.tyc.edu.tw www.stes.tyc.edu.tw myportal.utt.edu.tt www.stes.tyc.edu.tw www.stes.tyc.edu.tw www.stes.tyc.edu.tw

By admin

Leave a Reply

Your email address will not be published. Required fields are marked *

Enter the text from the image below