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Salesforce CRT-600 : Salesforce Certified JavaScript Developer I
- Exam Code: CRT-600
- Exam Name: Salesforce Certified JavaScript Developer I
- Updated: Sep 22, 2026
- Q & A: 225 Questions and Answers
About Salesforce CRT-600 Exam
Log in, add to cart, apply your discount code, pay by credit card — download immediately. The Salesforce Certified JavaScript Developer I dumps at VCETorrent are that simple: 225 practice questions for the CRT-600 exam, all operations safe and secure.
Salesforce CRT-600 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified JavaScript Developer I Exam |
| Exam Number: | CRT-600 / JavaScript-Developer-I |
| Passing Score: | 68% |
| Exam Duration: | 105 minutes |
| Exam Price: | USD 200 (plus tax; retake USD 100) |
| Related Certifications: | Salesforce Certified B2C Commerce Developer Salesforce Certified Platform Developer I |
| Certificate Validity Period: | 2 years |
| Exam Format: | Multiple-select, Multiple-choice |
| Real Exam Qty: | 60 + up to 5 unscored items |
| Available Languages: | English |
| Recommended Training: | Prepare for JavaScript Developer I Trailmix CRT-600 Certification Preparation Course |
| Exam Registration: | Pearson VUE Registration Salesforce Certification Portal |
| Sample Questions: |  |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended 1–2 years of JavaScript development experience |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/certification-javascript-developer-i |
Salesforce CRT-600 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Asynchronous Programming | 15% | - Timers and event loop - Callbacks, promises, and async/await - Fetch API and HTTP requests |
| Topic 2: Browser and Events | 17% | - DOM manipulation and traversal - Event handling and propagation - Browser APIs and development tools |
| Topic 3: Server-Side JavaScript | 8% | - Node.js basics and modules - Use Node.js core APIs |
| Topic 4: Debugging and Testing | 12% | - Write and run unit tests - Error handling and debugging techniques - Code quality and linting |
| Topic 5: Variables, Types, and Collections | 23% | - Use primitive and reference data types - Declare and initialize variables - Work with arrays, sets, maps, and JSON |
| Topic 6: Objects, Functions, and Classes | 25% | - Define functions, scope, and closures - Implement classes, inheritance, and modules - Create and manipulate objects |
Salesforce CRT-600 Exam: Full-Scale Answers
No mandatory prerequisites; recommended 1–2 years of JavaScript development experience Eligibility rules change over time, so verify the current requirements on the official page (official CRT-600 exam page) before registering.
The Salesforce Certified JavaScript Developer I is Salesforce's certification exam for Salesforce Certified JavaScript Developer I, at the Developer level. Related credentials include Salesforce Certified Platform Developer I, Salesforce Certified B2C Commerce Developer. Start simply: free demo first, full set when convinced.
Yes:
After any course, reinforce it with the 225 practice questions for the Salesforce Certified JavaScript Developer I — every answer expert-verified.
105 minutes for 60 + up to 5 unscored items questions. The VCETorrent engine simulates real examination conditions, so the pacing feels familiar before exam day.
Yes — download our demo freely as your reference; you may be impressed by the conciseness and clearness of the Salesforce Certified JavaScript Developer I exam VCE. Purchases include 365 days of free updates by email; renew afterward at 50% off.
The Salesforce Certified JavaScript Developer I blueprint spans 6 domains — including Debugging and Testing (12%), Variables, Types, and Collections (23%), Server-Side JavaScript (8%). Our material keeps close to this syllabus; the complete outline above lists every subtopic.
Checkout is brief: add your chosen Salesforce Certified JavaScript Developer I version to cart, check your email address, apply a discount code if you have one, pay by credit card — the system emails the product automatically within about a minute, with 24/7 help if nothing arrives within 2 hours. All operations are safe and secure. If you fail the corresponding CRT-600 exam within 60 days of purchase, we refund in full: send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.
Through the vendor's official registration channels:
The Salesforce Certified JavaScript Developer I is delivered Online proctored or onsite at Pearson VUE test centers — pick the arrangement that suits you when booking.
USD 200 (plus tax; retake USD 100) per attempt, 68% to pass. Retakes cost the full fee — prepare day to day with the 225 practice questions for the CRT-600 exam at VCETorrent and review your wrong items thoroughly.
Salesforce Certified JavaScript Developer I Sample Questions:
Question #1
Refer to the code declarations below:
Which three expressions return the string JavaScript?
Choose 3 answers
- A. Str1.join (str2);
- B. Str1 + str2;
- C. $(str1) $ (str2} ';
- D. Str1.concat (str2);
- E. Concat (str1, str2);
Correct Answer: B,C,D 🗳️
Question #2
Which statement phrases successfully?
- A. JSON.parse( " ' foo ' " );
- B. JSON.parse(' " foo " ');
- C. JSON.parse ( ' foo ' );
- D. JSON.parse ( " foo " );
Correct Answer: B 🗳️
Question #3
Which function should a developer use to repeatedly execute code at a fixed interval ?
- A. setIntervel
- B. setInteria
- C. setTimeout
- D. setPeriod
Correct Answer: A 🗳️
Question #4
Refer to code below:
Let productSKU = '8675309' ;
A developer has a requirement to generate SKU numbers that are always 19 characters lon, starting with 'sku', and padded with zeros.
Which statement assigns the values sku0000000008675309 ?
- A. productSKU = productSKU .padEnd (16. '0').padstart('sku');
- B. productSKU = productSKU .padEnd (16. '0').padstart(19, 'sku');
- C. productSKU = productSKU .padStart (19. '0').padstart('sku');
- D. productSKU = productSKU .padStart (16. '0').padstart(19, 'sku');
Correct Answer: D 🗳️
Question #5
Universal Containers (UC) notices that its application that allows users to search for accounts makes a network request each time a key is pressed. This results in too many requests for the server to handle.
* Address this problem, UC decides to implement a debounce function on string change handler.
What are three key steps to implement this debounce function?
Choose 3 answers:
- A. If there is an existing setTimeout and the search string changes, cancel the existing setTimeout using the persisted timerId and replace it with a new setTimeout.
- B. Store the timeId of the setTimeout last enqueued by the search string change handle.
- C. When the search string changes, enqueue the request within a setTimeout.
- D. If there is an existing setTimeout and the search string change, allow the existing setTimeout to finish, and do not enqueue a new setTimeout.
- E. Ensure that the network request has the property debounce set to true.
Correct Answer: C,D,E 🗳️
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