Salesforce JS-Dev-101 Q&A - in .pdf
- Exam Code: JS-Dev-101
- Exam Name: Salesforce Certified JavaScript Developer - Multiple Choice
- Updated: Oct 11, 2026
- Q & A: 149 Questions and Answers
- PDF Price: $59.99
- Printable Salesforce JS-Dev-101 PDF Format. It is an electronic file format regardless of the operating system platform.
- Free Demo
Salesforce JS-Dev-101 Q&A - Testing Engine
- Exam Code: JS-Dev-101
- Exam Name: Salesforce Certified JavaScript Developer - Multiple Choice
- Updated: Oct 11, 2026
- Q & A: 149 Questions and Answers
- Install on multiple computers for self-paced, at-your-convenience training.
- PC Test Engine Price: $59.99
- Testing Engine
Salesforce JS-Dev-101 Value Pack (Frequently Bought Together)
- If you purchase Salesforce JS-Dev-101 Value Pack, you will also own the free online test engine.
- PDF Version + PC Test Engine + Online Test Engine
- Value Pack Total: $119.98 $79.99
About Salesforce JS-Dev-101 Exam Actual tests
Need an invoice for the company books? Email us your company name and we make a custom invoice to your demand. Prep4sureGuide's Salesforce Certified JavaScript Developer - Multiple Choice set — 149 practice questions for the JS-Dev-101 exam — is business-friendly too.
Salesforce JS-Dev-101 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Object-Oriented JavaScript | - Objects and Prototypes - Classes and Inheritance |
| Topic 2: JavaScript Fundamentals | - Variables, Data Types, and Operators - Control Flow and Error Handling - Functions and Scope |
| Topic 3: Browser and DOM Interaction | - DOM Manipulation - Events and Event Handling |
| Topic 4: Asynchronous Programming | - Callbacks, Promises, and Async/Await - API Calls and Data Fetching |
| Topic 5: Salesforce Platform Integration | - Lightning Web Components (LWC) Basics - Working with Salesforce Data Models |
Salesforce JS-Dev-101 Exam: FAQ for Busy Professionals
Yes — download the free Salesforce Certified JavaScript Developer - Multiple Choice demo and inspect the material before buying. Purchases include the right of free updating for 365 days, with latest versions emailed promptly upon release; renew afterward at 50% off.
$200 USD per attempt, 65% to pass. For busy professionals, one prepared attempt beats two rushed ones — work through the 149 practice questions for the JS-Dev-101 exam at Prep4sureGuide first.
The Salesforce Certified JavaScript Developer - Multiple Choice blueprint covers 5 domains — including Salesforce Platform Integration, Object-Oriented JavaScript, Browser and DOM Interaction. Budget your limited hours by weighting; the complete outline above lists every subtopic.
Through the vendor's official registration channels:
The Salesforce Certified JavaScript Developer - Multiple Choice is delivered Online proctored exam via Salesforce authorized testing platform (e.g., Webassessor) — pick the arrangement that fits your calendar when booking.
The Salesforce Certified JavaScript Developer - Multiple Choice is Salesforce's certification exam for Salesforce Certified JavaScript Developer I, at the Professional level. It's among the most authoritative credentials in the field — for those aiming at Salesforce careers, it's the first step. Related credentials include Salesforce Platform Developer I, Salesforce Platform Developer II.
Files arrive by automatic email within a minute of payment — unlimited devices, and 24/7 customer assisting if nothing shows up within 2 hours (check spam). Need an invoice? Email us your company name for a custom invoice made to your demand. If you fail the corresponding JS-Dev-101 exam within 60 days of purchase, we process a full refund within 7 days — send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Alternatively, exchange for two equal-value products free.
No formal prerequisites, but familiarity with JavaScript and web development is recommended. Vendors update eligibility rules over time, so verify the current requirements on the official page (official JS-Dev-101 exam page) before registering.
Yes:
Official training teaches; practice proves. After any course, review with the 149 practice questions for the Salesforce Certified JavaScript Developer - Multiple Choice — answers expert-verified.
105 minutes for 60 (multiple choice) questions. Time-pressed candidates should rehearse the clock: short timed sets on busy days, full simulations on free ones.
Salesforce Certified JavaScript Developer - Multiple Choice Sample Questions:
Refer to the code declarations below:
let str1 = 'Java';
let str2 = 'Script';
Which three expressions return the string JavaScript?
- A. str1.concat(str2);
- B. `${str1}${str2}`
- C. str1.join(str2);
- D. const({str1, str2});
- E. str1 + str2;
Correct Answer: A,B,E 🗳️
Explanation: Only visible for Prep4sureGuide members. You can sign-up / login (it's free).
Refer to the code below:
const searchText = 'Yay! Salesforce is amazing!';
let result1 = searchText.search(/sales/i);
let result2 = searchText.search(/sales/);
console.log(result1);
console.log(result2);
After running this code, which result is displayed on the console?
- A. 5
-1 - B. true
false - C. 5
undefined - D. 5
0
Correct Answer: A 🗳️
Explanation: Only visible for Prep4sureGuide members. You can sign-up / login (it's free).
01 function changeValue(obj) {
02 obj.value = obj.value / 2;
03 }
04 const objA = { value: 10 };
05 const objB = objA;
06
07 changeValue(objB);
08 const result = objA.value;
What is the value of result?
- A. 5
- B. NaN
- C. undefined
- D. 10
Correct Answer: A 🗳️
Explanation: Only visible for Prep4sureGuide members. You can sign-up / login (it's free).
Refer to the code below:
let productSKU = '8675309';
A developer has a requirement to generate SKU numbers that are always 19 characters long, starting with 'sku', and padded with zeros.
Which statement assigns the value sku000000008675309?
- A. productSKU = productSKU.padStart(16, '0').padStart(19, 'sku');
- B. productSKU = productSKU.padEnd(16, '0').padStart(19, 'sku');
- C. productSKU = productSKU.padStart(19, '0').padStart('sku');
- D. productSKU = productSKU.padEnd(16, '0').padStart('sku');
Correct Answer: A 🗳️
Explanation: Only visible for Prep4sureGuide members. You can sign-up / login (it's free).
Refer to the code:
01 console.log('Start');
02 Promise.resolve('Success').then(function(value) {
03 console.log('Success');
04 });
05 console.log('End');
What is the output after the code executes successfully?
- A. End
Start
Success - B. Start
End
Success - C. Success
Start
End - D. Start
Success
End
Correct Answer: B 🗳️
Explanation: Only visible for Prep4sureGuide members. You can sign-up / login (it's free).
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