A study bundle only helps when it mirrors the real thing, and the Salesforce Certified JavaScript Developer I materials at Prep4cram recreate the CRT-600 exam's format and timing so your practice sessions feel like rehearsal, not guesswork.
Salesforce CRT-600 Exam Overview:
| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified JavaScript Developer I |
| Exam Number: | CRT-600 |
| Available Languages: | Japanese, French, Spanish, English, German |
| Real Exam Qty: | 60 |
| Related Certifications: | Salesforce Certified JavaScript Developer II Salesforce Certified Platform Developer I |
| Exam Duration: | 105 minutes |
| Exam Price: | $200 USD |
| Passing Score: | 65% |
| Exam Format: | Multiple Choice, Multiple Select |
| Certificate Validity Period: | Maintenance required annually via Salesforce certification maintenance modules (no fixed expiration if maintained) |
| Recommended Training: | Platform Developer I Prep Salesforce Trailhead JavaScript Developer Learning Path |
| Exam Registration: | Salesforce Certification Registration Pearson VUE Salesforce Exams |
| 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: Debugging, Testing, and Security | - Debugging JavaScript in Salesforce environments - Security best practices (CSP, data handling) |
| Topic 3: Salesforce Platform Integration | - Lightning Web Components (LWC) basics - Apex integration from JavaScript |
| Topic 4: DOM Manipulation and Events | - Event handling and propagation - DOM traversal and updates |
| Topic 5: JavaScript Fundamentals | - Objects, arrays, and functions - Language syntax and core concepts - ES6+ features |
CRT-600 Exam Details, Version Policy and Customer Perks
- Salesforce Platform Integration ()
- Debugging, Testing, and Security ()
- Asynchronous JavaScript ()
Salesforce Certified JavaScript Developer I Sample Questions:
Refer to the code below:
for(let number =2 ; number <= 5 ; number += 1 ) {
// insert code statement here
}
The developer needs to insert a code statement in the location shown. The code statement has these requirements:
1. Does require an import
2. Logs an error when the boolean statement evaluates to false
3. Works in both the browser and Node.js
Which meet the requirements?
- A. assert (number % 2 === 0);
- B. console.debug(number % 2 === 0);
- C. console.assert(number % 2 === 0);
- D. console.error(number % 2 === 0);
Correct Answer: D 🗳️
Refer to the code below:
01 const server = require('server');
02 /* Insert code here */
A developer imports a library that creates a web server. The imported library uses events and callbacks to start the servers Which code should be inserted at the line 03 to set up an event and start the web server ?
- A. serve(( port) => (
- B. server.on(' connect ' , ( port) => {
console.log('Listening on ' , port) ;}) - C. Server.start ();
- D. server()
- E. console.log( 'Listening on ', port) ;
Correct Answer: B 🗳️
Given the code below:
01 function GameConsole (name) {
02 this.name = name;
03 }
04
05 GameConsole.prototype.load = function(gamename) {
06 console.log( ` $(this.name) is loading a game : $(gamename) ...`);
07 )
08 function Console 16 Bit (name) {
09 GameConsole.call(this, name) ;
10 }
11 Console16bit.prototype = Object.create ( GameConsole.prototype) ;
12 //insert code here
13 console.log( ` $(this.name) is loading a cartridge game : $(gamename) ...`);
14 }
15 const console16bit = new Console16bit(' SNEGeneziz ');
16 console16bit.load(' Super Nonic 3x Force ');
What should a developer insert at line 15 to output the following message using the method ?
> SNEGeneziz is loading a cartridge game: Super Monic 3x Force . . .
- A. Console16bit.prototype.load(gamename) {
- B. Console16bit.prototype.load = function(gamename) {
- C. Console16bit.prototype.load(gamename) = function() {
- D. Console16bit = Object.create(GameConsole.prototype).load = function
(gamename) {
Correct Answer: B 🗳️
A developer is leading the creation of a new browser application that will serve a single page application. The team wants to use a new web framework Minimalsit.js. The Lead developer wants to advocate for a more seasoned web framework that already has a community around it.
Which two frameworks should the lead developer advocate for?
Choose 2 answers
- A. Angular
- B. Vue
- C. Express
- D. Koa
Correct Answer: A,C 🗳️
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 .padStart (19. '0').padstart('sku');
- C. productSKU = productSKU .padEnd (16. '0').padstart('sku');
- D. productSKU = productSKU .padEnd (16. '0').padstart(19, 'sku');
Correct Answer: A 🗳️






