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Earning the Salesforce Certified JavaScript Developer - Multiple Choice is a milestone that hiring managers notice, but the road there is shorter than you think. PracticeTorrent turns the JS-Dev-101 blueprint into 149 verified practice questions, so your preparation follows a structure instead of guesswork.
| Section | Objectives |
|---|---|
| JavaScript Fundamentals | - Variables, Data Types, and Operators - Control Flow and Error Handling - Functions and Scope |
| Browser and DOM Interaction | - DOM Manipulation - Events and Event Handling |
| Object-Oriented JavaScript | - Classes and Inheritance - Objects and Prototypes |
| Salesforce Platform Integration | - Working with Salesforce Data Models - Lightning Web Components (LWC) Basics |
| Asynchronous Programming | - Callbacks, Promises, and Async/Await - API Calls and Data Fetching |
Plan on needing 65% to pass the JS-Dev-101 exam, and budget $200 USD for the official registration. Treat that fee as single-use: a failed attempt means paying the same amount again for a retake. The cheapest insurance policy is preparation — cycle through the 149 practice questions at PracticeTorrent until your timed mock results clear the passing mark consistently, and only then schedule your exam.
For the Salesforce Certified JavaScript Developer - Multiple Choice, Salesforce points candidates toward these resources:
Training builds the foundation; deliberate practice builds the pass. Layer the 149 practice questions from PracticeTorrent on top of any course above, and you cover theory and execution in one plan.
The Salesforce Certified JavaScript Developer - Multiple Choice blueprint spans 5 domains. The heaviest hitters include Browser and DOM Interaction, JavaScript Fundamentals, and Salesforce Platform Integration. The complete breakdown — every domain and subtopic — is laid out in the syllabus section above, and that is the map your study sessions should follow.
Expect 60 (multiple choice) questions and 105 minutes on the clock for the JS-Dev-101 exam. Time management is a skill of its own here: candidates who untimed-study often discover the real pressure only when the countdown starts. Build that muscle memory early — run full timed simulations in the PracticeTorrent desktop or online test engine, practice flagging and skipping, and let pacing become reflex before exam day.
Delivery takes seconds, not days: your download is live immediately after checkout, and a copy reaches your email within one minute. If nothing lands within 2 hours, check the spam folder and message our support team. You may install the software on as many computers as you like — no device cap, ever.
If you sit the JS-Dev-101 exam within 60 days of purchase and the result is a fail, the PracticeTorrent money back guarantee has you covered: file within 2 days of the exam with a scan of your enrollment slip and the official score report (PDF), and the claim is processed within 7 days. The candidate name must match the payer name; exams taken within 3 days of purchase, purchases never used in an actual attempt, free materials, and expired orders fall outside the policy. Not interested in a refund? Exchange the product for two free exam packages of equal value and keep the update service on your original purchase.
Formally known as the Salesforce Certified JavaScript Developer - Multiple Choice, the JS-Dev-101 exam is Salesforce's way of certifying that you can apply its technologies to real-world problems — pass it, and you hold the Salesforce Certified JavaScript Developer I certification, a Professional-level credential. Because it is vendor-backed and skills-driven, employers treat it as proof rather than promise. It also feeds into a wider path that includes Salesforce Platform Developer I, Salesforce Platform Developer II.
Book your Salesforce Certified JavaScript Developer - Multiple Choice seat through these official channels:
One practical note: the JS-Dev-101 exam is delivered Online proctored exam via Salesforce authorized testing platform (e.g., Webassessor), so factor that into which slot you choose.
There is — PracticeTorrent publishes a free PDF demo of the JS-Dev-101 materials, so you can verify the accuracy and relevance of the questions before committing a cent. Buying unlocks 365 days of free updates on top of the full question bank, and if your product ever expires, the update service renews at a 50% discount from your member zone.
No formal prerequisites, but familiarity with JavaScript and web development is recommended.
Requirements like these evolve, so before locking in an exam date, double-check the current rules on the official Salesforce exam page.
Correct implementation of try...catch for countsDeep():
Correct Answer: D 🗳️
Explanation: Only visible for PracticeTorrent members. You can sign-up / login (it's free).
A class was written to represent items for purchase in an online store, and a second class representing items that are on sale at a discounted price. The constructor sets the name to the first value passed in. There is a new requirement for a developer to implement a description method that will return a brief description for Item and SaleItem.
01 let regItem = new Item('Scarf', 55);
02 let saleItem = new SaleItem('Shirt', 80, .1);
03 Item.prototype.description = function() { return 'This is a ' + this.name; }
04 console.log(regItem.description());
05 console.log(saleItem.description());
06
07 SaleItem.prototype.description = function() { return 'This is a discounted ' + this.name; } What is the output when executing the code above?
Correct Answer: A 🗳️
Explanation: Only visible for PracticeTorrent members. You can sign-up / login (it's free).
A developer is trying to convince management that their team will benefit from using Node.js for a backend server that they are going to create. The server will be a web server that handles API requests from a website that the team has already built using HTML, CSS, and JavaScript.
Which three benefits of Node.js can the developer use to persuade their manager?
Correct Answer: A,B,E 🗳️
Explanation: Only visible for PracticeTorrent members. You can sign-up / login (it's free).
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 shows the correct way to set up a client with two events that listen at execution time?
Correct Answer: B 🗳️
Explanation: Only visible for PracticeTorrent members. You can sign-up / login (it's free).
Given:
const str = 'Salesforce';
Which two statements result in 'Sales'?
Correct Answer: A,B 🗳️
Explanation: Only visible for PracticeTorrent members. You can sign-up / login (it's free).
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