Exam Name: Salesforce Certified JavaScript Developer I
Certification Provider: Salesforce
Corresponding Certification: Salesforce Certified
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Instant Download Salesforce : CRT-600 Questions & Answers as PDF & Test Engine
Updated: Sep 06, 2026
No. of Questions: 225 Questions & Answers with Testing Engine
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- Total Questions: 225
- Updated on: Sep 06, 2026
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- Total Questions: 225
- Updated on: Sep 06, 2026
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- Total Questions: 225
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Preparing carefully for CRT-600 is also a practical financial decision, because another attempt means paying another exam fee. Actual4dump helps candidates approach Salesforce Certified JavaScript Developer I with 225 practice questions and timed review tools before booking the next test date.
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Salesforce CRT-600 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified JavaScript Developer I Exam |
| Exam Number: | CRT-600 / JavaScript-Developer-I |
| Related Certifications: | Salesforce Certified B2C Commerce Developer Salesforce Certified Platform Developer I |
| Exam Price: | USD 200 (plus tax; retake USD 100) |
| Real Exam Qty: | 60 + up to 5 unscored items |
| Certificate Validity Period: | 2 years |
| Exam Format: | Multiple-choice, Multiple-select |
| Exam Duration: | 105 minutes |
| Available Languages: | English |
| Passing Score: | 68% |
| Recommended Training: | CRT-600 Certification Preparation Course Prepare for JavaScript Developer I Trailmix |
| Exam Registration: | Salesforce Certification Portal Pearson VUE Registration |
| Sample Questions: | DOWNLOAD DEMO |
| 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: Browser and Events | 17% | - DOM manipulation and traversal - Browser APIs and development tools - Event handling and propagation |
| Topic 2: Server-Side JavaScript | 8% | - Use Node.js core APIs - Node.js basics and modules |
| Topic 3: Objects, Functions, and Classes | 25% | - Create and manipulate objects - Implement classes, inheritance, and modules - Define functions, scope, and closures |
| Topic 4: Variables, Types, and Collections | 23% | - Work with arrays, sets, maps, and JSON - Declare and initialize variables - Use primitive and reference data types |
| Topic 5: Asynchronous Programming | 15% | - Timers and event loop - Fetch API and HTTP requests - Callbacks, promises, and async/await |
| Topic 6: Debugging and Testing | 12% | - Error handling and debugging techniques - Code quality and linting - Write and run unit tests |
FAQs for Salesforce Certified JavaScript Developer I Candidates
The CRT-600 exam leads to the Salesforce Certified JavaScript Developer I certification from Salesforce. It is positioned at the Developer level. The exam validates the knowledge and skills expected of candidates preparing for Salesforce Certified JavaScript Developer I.
Related certifications include:
- Salesforce Certified Platform Developer I
- Salesforce Certified B2C Commerce Developer
The CRT-600 exam includes 60 + up to 5 unscored items questions and allows 105 minutes. Before test day, divide the available time by the number of questions in a timed practice set to establish a steady per-question pace. If a difficult item starts consuming too much time, mark it for review and move forward instead of losing momentum. A full timed practice session can help you decide when to move on, when to return, and how much buffer to reserve for a final check.
The passing score for CRT-600 is 68%, and the official exam fee is USD 200 (plus tax; retake USD 100). Because a retake requires paying the exam fee again, use timed practice results as a readiness check before scheduling your next attempt. If your performance remains inconsistent, continue reviewing weak domains and repeat a timed session before booking the exam.
No mandatory prerequisites; recommended 1–2 years of JavaScript development experience
Eligibility rules can change, so confirm the current requirements on the official exam page before registering.
You can register through the official channels listed below:
The available exam delivery method is Online proctored or onsite at Pearson VUE test centers.
The official training options include:
After reviewing the recommended training, reinforce what you learned with Actual4dump's 225 practice questions for CRT-600.
Yes. Actual4dump provides a free PDF demo so you can review the format, question style, and answer quality before placing an order. Your purchase includes 365 days of free updates, and expired products can receive continued update service at a 50% discount.
If you purchase the corresponding CRT-600 preparation material and do not pass that exam within 60 days of purchase, you may apply for a full refund under the 100% Money Back Guarantee. The request requires a scanned exam enrollment slip and the official Score Report PDF, submitted within two days after the exam. Eligible requests are processed within seven days.
Claims are not eligible if the exam was taken within three days of purchase, the product was downloaded without an exam attempt, the order was free or expired, or the candidate name does not match the payer name. If you prefer an exchange instead of a refund, you can receive two free products of equal value while keeping the update service for your original purchase.
Delivery is immediate after checkout. The download is available right away, and the product is also sent to your email within one minute. Contact customer support if it has not arrived within two hours. You may install the product on an unlimited number of computers.
The current CRT-600 outline is organized into 6 top-level domains. The first listed areas include:
- Server-Side JavaScript (8%)
- Objects, Functions, and Classes (25%)
- Asynchronous Programming (15%)
Review the Exam Topics section above for the complete outline and any nested subtopics.
Salesforce Certified JavaScript Developer I Sample Questions:
Refer to the code:
Given the code above, which three properties are set pet1?
Choose 3 answers:
- A. Size
- B. Owner
- C. Name
- D. Type
- E. canTalk
A developer is creating a simple webpage with a button. When a user clicks this button for the first time, a message is displayed.
The developer wrote the JavaScript code below, but something is missing. The message gets displayed every time a user clicks the button, instead of just the first time.
01 function listen(event) {
02 alert ( 'Hey! I am John Doe') ;
03 button.addEventListener ('click', listen);
Which two code lines make this code work as required?
Choose 2 answers
- A. On line 02, use event.first to test if it is the first execution.
- B. On line 06, add an option called once to button.addEventListener().
- C. On line 04, use event.stopPropagation ( ),
- D. On line 04, use button.removeEventListener(' click" , listen);
Given the code below:
Which method can be used to provide a visual representation of the list of users and to allow sorting by the name or email attribute?
- A. console.groupCol lapsed (usersList) ;
- B. console.table(usersList) ;
- C. console.info(usersList) ;
- D. console.group(usersList) ;
Refer to code below:
console.log(0);
setTimeout(() => (
console.log(1);
});
console.log(2);
setTimeout(() => {
console.log(3);
), 0);
console.log(4);
In which sequence will the numbers be logged?
- A. 02413
- B. 01234
- C. 13024
- D. 02431
A developer at Universal Containers is creating their new landing page based on HTML, CSS, and JavaScript. The website includes multiple external resources that are loaded when the page is opened.
To ensure that visitors have a good experience, a script named personalizeWebsiteContent needs to be executed when the webpage Is loaded and there Is no need to wait for the resources to be available.
Which statement should be used to call personalizeWebsiteContent based on the above business requirement?
- A. windows,addEventListener('onDOMCContentLoaded', personalizeWebsiteContent);
- B. windows,addEventListener('onload', personalizeWebsiteContent);
- C. windows,addEventListener('load', personalizeWebsiteContent);
- D. windows,addEventListener('DOMContent Loaded ', personalizeWebsiteContent);
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