Exam Name: Salesforce Certified JavaScript Developer I
Certification Provider: Salesforce
Corresponding Certification: Salesforce Certified
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Updated: Sep 18, 2026
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Salesforce CRT-600 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified JavaScript Developer I |
| Exam Number: | CRT-600 |
| Exam Price: | $200 USD |
| Available Languages: | Japanese, German, French, Spanish, English |
| Passing Score: | 65% |
| Exam Duration: | 105 minutes |
| Real Exam Qty: | 60 |
| Exam Format: | Multiple Choice, Multiple Select |
| Related Certifications: | Salesforce Certified Platform Developer I Salesforce Certified JavaScript Developer II |
| Certificate Validity Period: | Maintenance required annually via Salesforce certification maintenance modules (no fixed expiration if maintained) |
| Recommended Training: | Salesforce Trailhead JavaScript Developer Learning Path Platform Developer I Prep |
| Exam Registration: | Pearson VUE Salesforce Exams Salesforce Certification Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or onsite via Pearson VUE |
| Pre Condition: | No formal prerequisites required, but recommended familiarity with JavaScript and Salesforce Platform Developer I knowledge |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/javascript-developer-i |
Salesforce CRT-600 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| DOM Manipulation and Events | - DOM traversal and updates - Event handling and propagation |
| Debugging, Testing, and Security | - Security best practices (CSP, data handling) - Debugging JavaScript in Salesforce environments |
| JavaScript Fundamentals | - Language syntax and core concepts - ES6+ features - Objects, arrays, and functions |
| Asynchronous JavaScript | - Promises and async/await - API calls and data handling |
| Salesforce Platform Integration | - Lightning Web Components (LWC) basics - Apex integration from JavaScript |
Salesforce Certified JavaScript Developer I FAQs: What Candidates Ask Before Exam Day
Yes. PrepAwayExam offers a free PDF demo of the CRT-600 practice questions so you can check the quality, the format, and the difficulty level before you spend anything. After you purchase, you also receive 365 days of free updates, and if the product expires you can extend the update service at a 50% discount from your member zone.
The CRT-600 exam contains 60 questions and gives you 105 minutes to complete them. That works out to a brisk pace, so you cannot afford to stall on a single tricky item β flag it, move on, and circle back if time allows. Before exam day, run at least two timed mock sessions with the PrepAwayExam desktop or online test engine; practicing against a real clock turns the official time limit into a comfortable rhythm instead of a source of panic.
The CRT-600 exam (full name: Salesforce Certified JavaScript Developer I) is a Salesforce certification exam that leads to the Salesforce Certified JavaScript Developer I credential, positioned at the Associate level. It validates the skills Salesforce expects from professionals working with its technologies, and passing it is the key step toward getting certified. It also sits within a broader certification path that includes Salesforce Certified Platform Developer I, Salesforce Certified JavaScript Developer II.
The Salesforce Certified JavaScript Developer I exam is organized into 5 domains. The main areas include DOM Manipulation and Events, Debugging, Testing, and Security, and Asynchronous JavaScript. Scroll up to the exam syllabus section on this page for the complete topic-by-topic outline.
No formal prerequisites required, but recommended familiarity with JavaScript and Salesforce Platform Developer I knowledge
Eligibility requirements can change, so before you register, confirm the latest criteria on the official Salesforce exam page.
To pass the CRT-600 exam you need a score of 65%, and the official registration fee is $200 USD. Keep in mind that a failed attempt comes at full price: retaking the exam means paying the entire fee again. A smart way to protect that investment is to self-test first β work through the 225 practice questions at PrepAwayExam until your timed scores sit comfortably above the passing line before you book a seat.
Salesforce recommends the following training resources for the Salesforce Certified JavaScript Developer I:
Official courses build the theory; pair them with the 225 practice questions from PrepAwayExam to turn that knowledge into exam-ready speed and accuracy.
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If you take the CRT-600 exam within 60 days of your purchase and do not pass, you can apply for a full refund under the PrepAwayExam money back guarantee. To file a claim, submit a scan of your exam enrollment slip together with the official score report (PDF) within 2 days of taking the exam, and your claim will be processed within 7 days. The candidate name must match the payer name, and the policy does not apply to exams taken within 3 days of purchase, to purchases where the exam was never actually taken, or to free materials and expired orders. Prefer an alternative? Instead of a refund, you can exchange your purchase for two free exam products of equal value while keeping the update service on your original product.
You can register for the Salesforce Certified JavaScript Developer I through the official channels below:
The CRT-600 exam is delivered Online proctored or onsite via Pearson VUE, so choose the option that best fits your schedule when you book.
Salesforce Certified JavaScript Developer I Sample Questions:
Which three options show valid methods for creating a fat arrow function?
Choose 3 answers
- A. (x,y,z) => ( console.log(' executed ') ;)
- B. x => ( console.log(' executed ') ; )
- C. X,y,z => ( console.log(' executed ') ;)
- D. [ ] => ( console.log(' executed ') ;)
- E. ( ) => ( console.log(' executed ') ;)
Correct Answer: A,B π³οΈ
The developer has a function that prints "Hello" to an input name. To test this, thedeveloper created a function that returns "World". However the following snippet does not print " Hello World".
What can the developer do to change the code to print "Hello World" ?
- A. Change line 7 to ) () ;
- B. Change line 2 to console.log('Hello' , name() );
- C. Change line 9 to sayHello(world) ();
- D. Change line 5 to function world ( ) {
Correct Answer: B π³οΈ
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 .padStart (16. '0').padstart(19, 'sku');
- B. productSKU = productSKU .padEnd (16. '0').padstart(19, 'sku');
- C. productSKU = productSKU .padEnd (16. '0').padstart('sku');
- D. productSKU = productSKU .padStart (19. '0').padstart('sku');
Correct Answer: A π³οΈ
Refer to the code below:
Which value can a developer expect when referencing country,capital,cityString?
- A. 'London'
- B. 'NaN'
- C. An error
- D. undefined
Correct Answer: B π³οΈ
Given the following code:
Let x =null;
console.log(typeof x);
What is the output of the line 02?
- A. "Null"
- B. "Object"
- C. "undefined"
- D. "X"
Correct Answer: B π³οΈ
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