Salesforce CRT-600 valid exam dumps : Salesforce Certified JavaScript Developer I
- Exam Code: CRT-600
- Exam Name: Salesforce Certified JavaScript Developer I
- Updated: Sep 20, 2026
- Q&As: 225 Questions and Answers
About Salesforce CRT-600 Valid Exam Braindumps
The internet has no shortage of CRT-600 study material, but quality is the part nobody can vouch for. ValidDumps removes the guesswork with Salesforce Certified JavaScript Developer I practice questions compiled through data analysis and verified by Salesforce experts.
Salesforce CRT-600 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified JavaScript Developer I |
| Exam Number: | CRT-600 |
| Certificate Validity Period: | Maintenance required annually via Salesforce certification maintenance modules (no fixed expiration if maintained) |
| Exam Duration: | 105 minutes |
| Related Certifications: | Salesforce Certified JavaScript Developer II Salesforce Certified Platform Developer I |
| Passing Score: | 65% |
| Exam Price: | $200 USD |
| Exam Format: | Multiple Choice, Multiple Select |
| Real Exam Qty: | 60 |
| Available Languages: | Spanish, Japanese, French, German, English |
| Recommended Training: | Platform Developer I Prep Salesforce Trailhead JavaScript Developer Learning Path |
| Exam Registration: | Pearson VUE Salesforce Exams Salesforce Certification Registration |
| Sample Questions: |  |
| 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 |
|---|---|
| Topic 1: Asynchronous JavaScript | - API calls and data handling - Promises and async/await |
| Topic 2: JavaScript Fundamentals | - Language syntax and core concepts - Objects, arrays, and functions - ES6+ features |
| Topic 3: Debugging, Testing, and Security | - Debugging JavaScript in Salesforce environments - Security best practices (CSP, data handling) |
| Topic 4: Salesforce Platform Integration | - Lightning Web Components (LWC) basics - Apex integration from JavaScript |
| Topic 5: DOM Manipulation and Events | - DOM traversal and updates - Event handling and propagation |
CRT-600 Exam Essentials: Frequently Asked Questions
Salesforce Certified JavaScript Developer I is an official Salesforce certification exam, listed under the code CRT-600. Clearing it earns the Salesforce Certified JavaScript Developer I certification, a Associate-level credential. It also ties into Salesforce Certified Platform Developer I, Salesforce Certified JavaScript Developer II, which makes it a useful anchor for a longer certification plan. For employers, the value is simple: the vendor itself has verified what you know.
You will work through 60 questions in 105 minutes on the Salesforce Certified JavaScript Developer I exam. The content is only half the battle; the clock is the other half. Train both at once: set the ValidDumps test engine to full timed mode, practice skipping and returning to stubborn items, and repeat until finishing with minutes to spare feels normal rather than lucky.
Passing Salesforce Certified JavaScript Developer I requires 65%, and the official registration fee is $200 USD. Remember that a retake bills the same $200 USD all over again, so winging it is the most expensive strategy on the table. A better approach: benchmark yourself with the ValidDumps practice tests first, and schedule the real exam only once your scores sit comfortably and consistently above the requirement.
No formal prerequisites required, but recommended familiarity with JavaScript and Salesforce Platform Developer I knowledge
Requirements do evolve, so before you spend a registration fee, verify the current conditions on the official exam page.
Registration for Salesforce Certified JavaScript Developer I is handled through the vendor's official channels below.
One more detail for your planning: the exam is delivered Online proctored or onsite via Pearson VUE.
Salesforce recommends the following training resources for the Salesforce Certified JavaScript Developer I exam.
Training tells you what to learn; practice questions teach you how the exam asks it. Pair either with the 225 items in the ValidDumps CRT-600 package and you cover both halves.
Yes. The free demo on this page contains a portion of the complete Salesforce Certified JavaScript Developer I question set, enough to judge the accuracy and the clarity of the explanations for yourself. After purchase, updates are free for 365 days, and once your product expires you can extend the update service at a 50% discount.
ValidDumps provides a 100% money-back guarantee with clearly stated conditions. Take the Salesforce Certified JavaScript Developer I exam within 60 days of purchase; if you fail, you may claim a full refund, as long as the exam matches your product. Exams taken within 3 days of purchase are not eligible, and neither are products that were downloaded but never used, free materials, or expired orders; the candidate name must match the payer name. File the claim with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and it is processed within 7 days. If you would rather exchange than refund, you can receive two other exam products of equal value free of charge and keep the update service on your original purchase.
Delivery is immediate: your purchase is downloadable right away and automatically emailed to you within one minute of successful payment. If nothing arrives within 2 hours, check your spam folder and contact customer service. You may install the software on as many computers as you wish.
The official Salesforce Certified JavaScript Developer I syllabus comprises 5 domains. The heaviest hitters are Debugging, Testing, and Security, Salesforce Platform Integration, and Asynchronous JavaScript. The complete outline sits above on this page; walk it top to bottom and mark every line you could not teach to someone else.
Salesforce Certified JavaScript Developer I Sample Questions:
A developer needs to test this function:
01 const sum3 = (arr) => (
02 if (!arr.length) return 0,
03 if (arr.length === 1) return arr[0],
04 if (arr.length === 2) return arr[0] + arr[1],
05 return arr[0] + arr[1] + arr[2],
06 );
Which two assert statements are valid tests for the function?
Choose 2 answers
- A. console.assert(sum3('hello', 2, 3, 4)) === NaN);
- B. console.assert(sum3(0)) == 0);
- C. console.assert(sum3(1, '2')) == 12);
- D. console.assert(sum3(-3, 2 )) == -1);
Correct Answer: C,D 🗳️
A developer has two ways to write a function:
Option A:
function Monster(){
this.growl = ()=>{
console.log('Grr!');
}
}
Option B:
function Monster(){};
Monster.prototype.growl = ()=>{
console.log('Grr!');
}
After deciding on an option, the developer creates 1000 monster objects.
How many growl methods are created with Option A and Option B?
- A. 1000 for both
- B. 1 methods for both
- C. 1000 for Option A, 1 for Option B
- D. 1 for Option A, 1000 for Option B
Correct Answer: B 🗳️
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. The pseudocode is below:
Class Item {
constructor(name, price) {
... // Constructor Implementation
}
}
Class SaleItem extends Item {
constructor (name, price, discount) {
...//Constructor Implementation
}
}
There is a new requirement for a developer to implement a description method that will return a brief description for Item and SaleItem.
Let regItem =new Item('Scarf', 55);
Let saleItem = new SaleItem('Shirt' 80, -1);
Item.prototype.description = function () { return 'This is a ' + this.name; console.log(regItem.description()); console.log(saleItem.description()); SaleItem.prototype.description = function () { return 'This is a discounted ' + this.name; } console.log(regItem.description()); console.log(saleItem.description()); What is the output when executing the code above ?
- A. This is a Scarf
This is a Shirt
This is a discounted Scarf
This is a discounted Shirt - B. This is aScarf
Uncaught TypeError: saleItem.description is not a function
This is a Shirt
This is a did counted Shirt - C. This is a Scarf
Uncaught TypeError: saleItem.description is not a function
This is aScarf
This is a discounted Shirt - D. This is a Scarf
This is a Shirt
This is a Scarf
This is a discounted Shirt
Correct Answer: D 🗳️
Given the following code:
What is the output of line 02?
- A. "null"
- B. "undefined" 0
- C. "x-
- D. 'object"
Correct Answer: D 🗳️
Refer to the following code:
01 function Tiger(){
02 this.Type = 'Cat';
03 this.size = 'large';
04 }
05
06 let tony = new Tiger();
07 tony.roar = () =>{
08 console.log('They\'re great1');
09 };
10
11 function Lion(){
12 this.type = 'Cat';
13 this.size = 'large';
14 }
15
16 let leo = new Lion();
17 //Insert code here
18 leo.roar();
Which two statements could be inserted at line 17 to enable the function call on line 18?
Choose 2 answers.
- A. Leo.roar = () => { console.log('They\'re pretty good:'); };
- B. Object.assign(leo,tony);
- C. Object.assign(leo,Tiger);
- D. Leo.prototype.roar = () => { console.log('They\'re pretty good:'); };
Correct Answer: A,B 🗳️
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