Exam Name: Salesforce Certified JavaScript Developer - Multiple Choice
Certification Provider: Salesforce
Corresponding Certification: Salesforce Developers
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- Total Questions: 149
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The Salesforce Certified JavaScript Developer - Multiple Choice exam fee is due every single time you sit it, pass or fail. Spending a fraction of that on the JS-Dev-101 practice questions from PremiumVCEDump is how prepared candidates avoid paying twice.
Salesforce JS-Dev-101 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: JavaScript Fundamentals | - Variables, Data Types, and Operators - Control Flow and Error Handling - Functions and Scope |
| Topic 2: Object-Oriented JavaScript | - Objects and Prototypes - Classes and Inheritance |
| Topic 3: Asynchronous Programming | - API Calls and Data Fetching - Callbacks, Promises, and Async/Await |
| Topic 4: Browser and DOM Interaction | - Events and Event Handling - DOM Manipulation |
| Topic 5: Salesforce Platform Integration | - Lightning Web Components (LWC) Basics - Working with Salesforce Data Models |
Everything You Wanted to Ask About the JS-Dev-101 Exam
Salesforce Certified JavaScript Developer - Multiple Choice is an official Salesforce exam, catalogued under the code JS-Dev-101. A pass awards you the Salesforce Certified JavaScript Developer I certification at the Professional level. It also supports progress toward Salesforce Platform Developer I, Salesforce Platform Developer II. Demand for this credential has stayed strong because it validates skills employers can use from day one.
The Salesforce Certified JavaScript Developer - Multiple Choice exam packs 60 (multiple choice) questions into 105 minutes. Candidates rarely fail because of one impossible topic; they fail because ten minutes vanished on three stubborn questions. Build a triage habit now: answer, flag, move on, return later. Timed full-length sessions in the PremiumVCEDump test engine are the most honest way to practice that discipline before it counts.
You pass Salesforce Certified JavaScript Developer - Multiple Choice at 65%, and the official registration fee stands at $200 USD. One detail worth internalizing: there is no retake discount, so a second sitting costs another full $200 USD. Use the PremiumVCEDump practice tests as your gauge and book only when your results clear the requirement with a repeatable margin, not a one-off peak.
No formal prerequisites, but familiarity with JavaScript and web development is recommended.
Vendor policies shift over time, so confirm the current entry conditions before paying any registration fee; the official exam page is the authoritative source.
You can sign up for Salesforce Certified JavaScript Developer - Multiple Choice through the official registration points listed here.
Regarding format, the exam is delivered Online proctored exam via Salesforce authorized testing platform (e.g., Webassessor).
Salesforce recommends the following training for Salesforce Certified JavaScript Developer - Multiple Choice candidates.
Course content builds understanding, but the exam grades answers. Bridge the two with the 149 practice questions in the PremiumVCEDump JS-Dev-101 package, and the theory starts converting into points.
Yes. A free demo of the Salesforce Certified JavaScript Developer - Multiple Choice material is available on this page, so you can verify the quality of the questions and the expert-edited answers yourself. Once you purchase, updates are free for 365 days and the newest version is emailed to you automatically as it releases; after expiry, extending the update service costs 50% of the regular price.
A 100% money-back guarantee covers your purchase under defined conditions. If you take the Salesforce Certified JavaScript Developer - Multiple Choice exam within 60 days of buying and fail, you can claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are ineligible, as are downloaded-but-unused products, free materials, and expired orders, and the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, you may exchange rather than refund: two other exam products of equal value, free, with the update service on your original purchase kept intact.
Delivery is instant: files unlock for download upon successful payment and are automatically emailed to you within one minute. If nothing arrives within 2 hours, check spam and contact us by email or online service. Installation is unlimited across your computers.
Salesforce Certified JavaScript Developer - Multiple Choice spans 5 official domains. The most heavily weighted include Browser and DOM Interaction, Object-Oriented JavaScript, and JavaScript Fundamentals. The full topic list is published above on this page; let the weightings decide where your next study hour goes.
Salesforce Certified JavaScript Developer - Multiple Choice Sample Questions:
Refer to the code:
01 let car1 = new Promise((_, reject) =>
02 setTimeout(reject, 2000, "Car 1 crashed in"));
03 let car2 = new Promise(resolve =>
04 setTimeout(resolve, 1500, "Car 2 completed"));
05 let car3 = new Promise(resolve =>
06 setTimeout(resolve, 3000, "Car 3 completed"));
07
08 Promise.race([car1, car2, car3])
09 .then(value => {
10 let result = '$(value) the race.';
11 })
12 .catch(err => {
13 console.log("Race is cancelled.", err);
14 });
What is the value of result when Promise.race executes?
- A. Car 2 completed the race.
- B. Car 1 crashed in the race.
- C. Race is cancelled.
- D. Car 3 completed the race.
Correct Answer: A 🗳️
Explanation: Only visible for PremiumVCEDump members. You can sign-up / login (it's free).
Refer to the code:
const pi = 3.1415926;
What is the data type of pi?
- A. Number
- B. Float
- C. Double
- D. Decimal
Correct Answer: A 🗳️
Explanation: Only visible for PremiumVCEDump members. You can sign-up / login (it's free).
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?
- A. ship.size = size;
- B. super(size);
- C. super.size = size;
- D. this.size = size;
Correct Answer: B 🗳️
Explanation: Only visible for PremiumVCEDump members. You can sign-up / login (it's free).
A developer is asked to fix some bugs reported by users. To do that, the developer adds a breakpoint for debugging.
01 function Car(maxSpeed, color) {
02 this.maxSpeed = maxSpeed;
03 this.color = color;
04 }
05 let carSpeed = document.getElementById('carSpeed');
06 debugger;
07 let fourWheels = new Car(carSpeed.value, 'red');
When the code execution stops at the breakpoint on line 06, which two types of information are available in the browser console?
- A. The style, event listeners and other attributes applied to the carSpeed DOM element
- B. A variable displaying the number of instances created for the Car object
- C. The information stored in the window.localStorage property
- D. The values of the carSpeed and fourWheels variables
Correct Answer: A,C 🗳️
Explanation: Only visible for PremiumVCEDump members. You can sign-up / login (it's free).
for (let number = 2; number <= 5; number += 1) {
// faster code statement here
}
Which statement meets the requirements to log an error when the Boolean statement evaluates to false?
- A. console.error(number + 2 === 0);
- B. assert(number + 2 === 0);
- C. console.classy(number + 2 === 0);
- D. console.assert(number + 2 === 0);
Correct Answer: D 🗳️
Explanation: Only visible for PremiumVCEDump members. You can sign-up / login (it's free).
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