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: Nov 04, 2026
No. of Questions: 225 Questions & Answers with Testing Engine
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- Total Questions: 225
- Updated on: Nov 04, 2026
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- Total Questions: 225
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- Total Questions: 225
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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 |
| Exam Price: | USD 200 (plus tax; retake USD 100) |
| Exam Duration: | 105 minutes |
| Passing Score: | 68% |
| Available Languages: | English |
| Real Exam Qty: | 60 + up to 5 unscored items |
| Exam Format: | Multiple-select, Multiple-choice |
| Related Certifications: | Salesforce Certified B2C Commerce Developer Salesforce Certified Platform Developer I |
| Certificate Validity Period: | 2 years |
| Recommended Training: | Prepare for JavaScript Developer I Trailmix CRT-600 Certification Preparation Course |
| Exam Registration: | Pearson VUE Registration Salesforce Certification Portal |
| 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 |
|---|---|---|
| Asynchronous Programming | 15% | - Fetch API and HTTP requests - Callbacks, promises, and async/await - Timers and event loop |
| Browser and Events | 17% | - DOM manipulation and traversal - Event handling and propagation - Browser APIs and development tools |
| Objects, Functions, and Classes | 25% | - Define functions, scope, and closures - Implement classes, inheritance, and modules - Create and manipulate objects |
| Variables, Types, and Collections | 23% | - Use primitive and reference data types - Work with arrays, sets, maps, and JSON - Declare and initialize variables |
| Debugging and Testing | 12% | - Code quality and linting - Error handling and debugging techniques - Write and run unit tests |
| Server-Side JavaScript | 8% | - Node.js basics and modules - Use Node.js core APIs |
Salesforce Certified JavaScript Developer I: The Questions Everyone Asks First
Salesforce Certified JavaScript Developer I is an official Salesforce exam, registered under exam code CRT-600. Passing it earns the Salesforce Certified JavaScript Developer I certification at the Developer level. It also links to Salesforce Certified Platform Developer I, Salesforce Certified B2C Commerce Developer. As an internationally recognized capacity standard, this credential speaks for your ability wherever your career takes you.
The Salesforce Certified JavaScript Developer I syllabus comprises 6 official domains. The heaviest include Debugging and Testing (12%), Asynchronous Programming (15%), and Browser and Events (17%). The complete outline is above on this page; a short, efficient study plan starts with knowing exactly where the marks live.
The Salesforce Certified JavaScript Developer I exam packs 60 + up to 5 unscored items questions into 105 minutes. Short-term preparation works best when every session is realistic, so run timed simulations in the ITCertMagic engine, keep your flag-and-return rhythm tight, and let repeated full-length runs build the pace the clock demands.
Salesforce Certified JavaScript Developer I requires 68% to pass, with an official registration fee of USD 200 (plus tax; retake USD 100). Retakes bill the full USD 200 (plus tax; retake USD 100) again, so speed should never mean gambling. Compress your preparation with the ITCertMagic practice tests, and book once your scores clear the requirement reliably.
No mandatory prerequisites; recommended 1–2 years of JavaScript development experience
Policies change, so verify the current requirements before registering on the official exam page.
Salesforce Certified JavaScript Developer I registration goes through the official channels below.
For your schedule planning: the exam is delivered Online proctored or onsite at Pearson VUE test centers.
Salesforce recommends the following training for Salesforce Certified JavaScript Developer I candidates.
On a short preparation timeline, combine any training with the 225 practice questions in the ITCertMagic CRT-600 package to convert learning into scoring ability fast.
Yes to both. ITCertMagic provides a free demo of the Salesforce Certified JavaScript Developer I questions so you can verify the quality first, and after purchase the newest practice material is free for one year from the date of your order. When that year ends, extending the update service costs 50% of the regular price.
Your purchase carries a 100% money-back guarantee with defined conditions. Take the Salesforce Certified JavaScript Developer I exam within 60 days of purchase; if you fail, you may claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are ineligible, as are downloaded-but-unused products, free materials, and expired orders; the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are processed within 7 days. Alternatively, exchange for two other exam products of equal value, free, with the update service on your original purchase retained.
Delivery is instant: files unlock for download at payment and are emailed within one minute. If nothing arrives within 2 hours, check spam and contact customer service. Installation is unlimited across your computers.
Salesforce Certified JavaScript Developer I Sample Questions:
Given the HTML below:
Which statement adds the priority-account CSS class to the Universal Containers row?
- A. document. querySelectorAll('#row-uc') -classList.add("priority-accour');
- B. document. getElementByid('row-uc').addClass('priority-account*);
- C. document. querySelector (#row-uc'). classes-push('priority-account');
- D. document. queryselector('#row-uc').ClassList.add('priority-account');
Correct Answer: D 🗳️
A developer wants to use a module called DataPrettyPrint. This module exports one default function called printDate ().
How can a developer import and use the printDate() function?
A)
B)
C)
D)
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Correct Answer: B 🗳️
Refer to the code below:
Async funct on functionUnderTest(isOK) {
If (isOK) return 'OK' ;
Throw new Error('not OK');
)
Which assertion accurately tests the above code?
- A. Console.assert (await functionUnderTest(true), ' OK ')
- B. Console.assert (await functionUnderTest(true), ' not OK ')
- C. Console.assert (await functionUnderTest(true), 'OK')
- D. Console.assert (await functionUnderTest(true), ' not OK ')
Correct Answer: C 🗳️
Refer to the string below.
Const str='Salesforce';
Which two statements results in the word 'Sales'?
Correct Answer:
Str.substring(0,5);
Str.substr(0,5);
Refer to the string below:
const str = 'Salesforce';
Which two statements result in the word 'Sales'?
Choose 2 answers
- A. str.substring (1, 5);
- B. str.substr (0, 5);
- C. str.substring (0, 5);
- D. str.substr(1, 5);
Correct Answer: B,C 🗳️
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