Javascript-Developer-I

SALESFORCE JAVASCRIPT-DEVELOPER-I DUMPS WITH REAL EXAM QUESTIONS

Salesforce Certified JavaScript Developer (JS-Dev-101) · Developers

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Last Updated: Sep 10, 2026
147 Total Questions
$79.00

Test Engine Only

Last Updated: Sep 10, 2026
147 Total Questions
$89.00
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About the Salesforce Javascript-Developer-I Exam

Preparing for the Salesforce Javascript-Developer-I (Salesforce Certified JavaScript Developer (JS-Dev-101)) exam takes more than reading through documentation — it takes practicing with material that reflects what you'll actually see on test day. Our Javascript-Developer-I dumps are built from real exam-pattern questions and answers, reviewed regularly and updated to stay current with Salesforce's own changes to the Developers certification.

What Is the Salesforce Javascript-Developer-I Exam?

Javascript-Developer-I is the credential exam that validates your knowledge and hands-on ability against Salesforce's official Developers blueprint. Rather than testing rote memorization, it's designed to confirm that you can apply the concepts, tools, and best practices covered under the Developers certification in realistic, scenario-based situations. Employers and clients treat an active Javascript-Developer-I certification as independent, vendor-verified proof of skill — not just a line on a resume — which is exactly why candidates invest real study time into passing it on the first attempt rather than treating it as a formality.

Who Should Take the Javascript-Developer-I Exam?

The Javascript-Developer-I exam is aimed at professionals who already work with, or are moving into, roles built around Salesforce's technology — including engineers, administrators, consultants, and specialists who need to prove their capability to employers, clients, or their own team. If your day-to-day work involves recommending, implementing, supporting, or troubleshooting solutions that fall under the Developers certification, Javascript-Developer-I is the exam that turns that practical experience into a recognized, portable credential. Many candidates also pursue it specifically to unlock new job opportunities, qualify for a promotion, or meet a certification requirement set by their employer or a client contract.

Why the Developers Certification Matters

Certifications tied to major technology vendors like Salesforce carry weight precisely because they're standardized and independently administered — a hiring manager or client can trust that everyone holding the Developers credential has been tested against the same bar. Passing Javascript-Developer-I signals that you can be handed real responsibility without needing to be walked through the basics, which is a meaningful differentiator in a competitive job market. It's common for certified professionals to report that the credential strengthened their position in salary negotiations, job interviews, or bids for new client work, simply because it replaces a self-reported claim of skill with a verified one.

How to Prepare Effectively for Javascript-Developer-I

Because Javascript-Developer-I is scenario-driven rather than purely fact-based, the most effective preparation combines structured study of the official Developers exam objectives with realistic, repeated practice under exam-like conditions. A few habits consistently separate candidates who pass on their first attempt from those who don't:

  • Work through the full set of official Developers exam objectives methodically, rather than skipping straight to practice questions.
  • Practice with material that mirrors the real Javascript-Developer-I question style and difficulty, not generic trivia unrelated to how the exam is actually written.
  • Review the reasoning behind every answer — right or wrong — so you understand the underlying principle being tested, not just which letter to pick.
  • Take full timed practice runs close to your test date to build stamina and get comfortable with the pacing you'll need on exam day.
  • Revisit your weaker topic areas repeatedly instead of only reviewing the material you already feel confident about.

Why Choose Tips2Pass Javascript-Developer-I Dumps

Our Javascript-Developer-I preparation material is built specifically around the Developers exam blueprint, so your study time goes toward content that actually reflects what you'll face on test day rather than generic study notes. Every purchase gives you the choice of a downloadable PDF for offline review, our interactive practice test engine for exam-day simulation, or both formats bundled together. Questions are reviewed and refreshed on an ongoing basis to stay aligned with Salesforce's own changes to the Developers certification, and every purchase includes free updates for your full access period — so the material you're studying from doesn't go stale between now and your test date. If you don't pass after preparing with our materials, our money-back guarantee means your investment is protected.

Common Mistakes Candidates Make on Javascript-Developer-I

Even well-prepared candidates lose points on exams like Javascript-Developer-I for a handful of predictable, avoidable reasons. The most common is memorizing isolated facts without understanding when and why to apply them — being able to recite a definition isn't the same as recognizing which concept fits a specific scenario described in a question. Another frequent mistake is rushing: candidates who skim a question's wording miss qualifying details ("choose two," "most cost-effective," "with the least operational overhead") that completely change which answer is correct, even when every option looks technically valid on the surface. Poor time management is another common trap — spending too long on early questions can leave you rushing through the final stretch of the exam. Practicing under realistic timed conditions before your actual test date is one of the simplest ways to avoid all three of these mistakes.

What Happens After You Pass Javascript-Developer-I

Earning your Developers certification through the Javascript-Developer-I exam typically opens doors well beyond a single job title — it's evidence you can point to in interviews, performance reviews, and client conversations alike. Many professionals use an associate or foundational-level certification like this one as a stepping stone toward more advanced credentials in the same certification track, building on the same core knowledge to take on more senior or specialized roles over time. For others, it's simply the fastest, most credible way to prove to an employer or client that their skills are current and independently verified, rather than self-described.

Final Thoughts

The Salesforce Javascript-Developer-I exam remains one of the most practical ways to turn real, hands-on experience into a recognized, resume-ready credential. Passing it on your first attempt comes down to studying the right material, in the right way, and practicing under conditions that resemble the real test. Combine focused review of the official Developers exam objectives with our Javascript-Developer-I dumps and practice questions, and you'll walk into your test appointment fully prepared to earn your certification.

Sample Javascript-Developer-I Questions

Question # 1
A developer wants to define a function log to be used a few times on a single-file
JavaScript script.
01 // Line 1 replacement
02 console.log('"LOG:', logInput);
03 }
Which two options can correctly replace line 01 and declare the function for use?
Choose 2 answers

  • A. function leg(logInput) {

  • B. const log(loginInput) {

  • C. const log = (logInput) => {

  • D. function log = (logInput) {

Question # 2

A developer wants to create an object from a function in the browser using the code
below:
Function Monster() { this.name =‘hello’ };
Const z = Monster();
What happens due to lack of the new keyword on line 02?

  • A. The z variable is assigned the correct object.

  • B. The z variable is assigned the correct object but this.name remains undefined.

  • C. Window.name is assigned to ‘hello’ and the variable z remains undefined.

  • D. Window.m is assigned the correct object.

Question # 3
A developer uses a parsed JSON string to work with userinformation 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

  • A. userInformation(“email”)

  • B. userInformation.get(“email”)

  • C. userInformation.email

  • D. userInformation(email)

Question # 4
Considering type coercion, what does the following expression evaluate to?
True + ‘13’ + NaN

  • A. ‘ 113Nan ’

  • B. 14

  • C. ‘ true13 ’

  • D. ‘ true13NaN ’

Question # 5
A developer creates a class that represents a blog post based on the requirement that a
Post should have a body author and view count.
The Code shown Below:
ClassPost {
// Insert code here
This.body =body
This.author = author;
this.viewCount = viewCount;
}
}
Which statement should be inserted in the placeholder on line 02 to allow for a variable to
be set
to a new instanceof a Post with the three attributes correctly populated?

  • A. super (body, author, viewCount) {

  • B. Function Post (body, author, viewCount) {

  • C. constructor (body, author, viewCount) {

  • D. constructor() {

Question # 6
Refer to the code below:
Let foodMenu1 =[‘pizza’, ‘burger’, ‘French fries’];
Let finalMenu = foodMenu1;
finalMenu.push(‘Garlic bread’);
What is the value of foodMenu1 after the code executes?

  • A. [ ‘pizza’,’Burger’, ‘French fires’, ‘Garlic bread’]

  • B. [ ‘pizza’,’Burger’, ‘French fires’]

  • C. [ ‘Garlic bread’ , ‘pizza’,’Burger’, ‘French fires’ ]

  • D. [ ‘Garlic bread’]

Question # 7
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 canbecome fulfilled, settled, or rejected.

Question # 8
A developer creates an object where its properties should be immutable and prevent
properties from being added or modified.
Which method shouldbe used to execute this business requirement ?

  • A. Object.const()

  • B. Object.eval()

  • C. Object.lock()

  • D. Object.freeze()

Question # 9
Refer to the code below:
const event = new CustomEvent(
//Missing Code );
obj.dispatchEvent(event);
A developer needs to dispatch a custom event called update to send information about
recordId.
Which two options could a developer insert at the placeholder in line 02 to achieve this?
Choose 2 answers

  • A. ‘Update’ , (
    recordId : ‘123abc’
    (

  • B. ‘Update’ , ‘123abc’

  • C. { type : ‘update’, recordId : ‘123abc’ }

  • D. ‘Update’ , { Details : { recordId : ‘123abc’ } }

Question # 10
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 to make this code work as expected?

  • A. Replace line 04 with console.log(input .value);

  • B. Replace line 03 with const input = document.getElementByName(‘input’);

  • C. Replace line 02 with button.addCallback(“click”, function() {

  • D. Replace line 02 withbutton.addEventListener(“onclick”, function() {

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