The PDF version of the LatestCram CRT-600 materials deserves special mention: free demo download, clean printable format, and 225 practice questions you can annotate the old-fashioned way. Convenience is a design decision, not an accident.
Salesforce CRT-600 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Browser and Events | 17% | - DOM manipulation - Browser dev tools - Event handling |
| Testing | 7% | - Assertions and types of tests - Testing fundamentals |
| Variables, Types, and Collections | 23% | - Type coercion & conversion - JSON manipulation - Variables and initialization - Arrays and collections |
| Debugging and Error Handling | 7% | - Console and breakpoint debugging - Error throwing & catching |
| Asynchronous Programming | 13% | - Callback functions - Promises - Async/await |
| Objects, Functions, and Classes | 25% | - Object creation & prototypes - Function definitions & usage - Class declaration & usage - Modules |
| Server-side JavaScript | 8% | - npm basics - Node.js CLI & libraries |
CRT-600 Exam: Your Questions, Answered
None (recommended 1-2 years JavaScript experience) Since requirements change over time, confirm the latest on the official Salesforce exam page before scheduling.
Salesforce recommends these training resources for the Salesforce Certified JavaScript Developer I exam:
Follow the training with steady self-testing — the 225 practice questions from LatestCram make that routine easy to maintain.
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The official Salesforce Certified JavaScript Developer I outline defines 7 domains. The leading three are Debugging and Error Handling (7%), Browser and Events (17%), and Server-side JavaScript (8%). The full list is in the topics section above, and LatestCram's 225 practice questions cover each one.
The CRT-600 exam is a Salesforce certification exam validating the Salesforce Certified JavaScript Developer I syllabus shown above. It belongs to these credential paths: Lightning Web Components Specialist Superbadge. Candidates of different ages and backgrounds take it to advance their careers in 2026, and LatestCram prepares all of them with 225 practice questions in PDF, Desktop Test Engine, and Online Test Engine formats.
Three versions of the 225 practice questions for the Salesforce Certified JavaScript Developer I exam, each with its own strengths: a printable, expert-prepared PDF with instant download and free demo; a Desktop Test Engine for Windows that simulates the real exam with two practice modes and works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. Choose whichever suits your taste — all are included, along with 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
The Salesforce Certified JavaScript Developer I exam requires 65% to pass, and registration costs USD 200. Retaking costs the same fee again, so a readiness check with the LatestCram engines is a sensible investment before booking.
The Salesforce Certified JavaScript Developer I exam contains 60 to complete within 105 minutes. Timed practice in the LatestCram Desktop Test Engine prepares you for exactly that rhythm.
Proctored onsite or online via Pearson VUE Register for the Salesforce Certified JavaScript Developer I exam through these official channels:
Once booked, your LatestCram practice questions reach your inbox within 1 minute — the countdown to exam day can start at once.
Salesforce Certified JavaScript Developer I Sample Questions:
A developer is leading the creation of a new web server for their team that will fulfill API requests from an existing client.
The team wants a web server that runs on Node.Js, and they want to use the new web framework Minimalist.Js. The lead developer wants to advocate for a more seasoned back-end framework that already has a community around it.
Which two frameworks could the lead developer advocate for?
Choose 2 answers
- A. Angular
- B. Express
- C. Koa
- D. Gatsby
Correct Answer: A,B 🗳️
A developer wants to define a function log to be used a few times on a single-file JavaScript script.
01 // Line 1 replacement
02 console.log('"LOG:', logInput);
03 }
Which two options can correctly replace line 01 and declare the function for use?
Choose 2 answers
- A. function log = (logInput) {
- B. const log(loginInput) {
- C. function leg(logInput) {
- D. const log = (logInput) => {
Correct Answer: C,D 🗳️
What are two unique features of functions defined with a fat arrow as compared to normal function definition?
Choose 2 answers
- A. The function generated its own this making it useful for separating the function's scope from its enclosing scope.
- B. The function uses the this from the enclosing scope.
- C. The function receives an argument that is always in scope, called parentThis, which is the enclosing lexical scope. C. If the function has a single expression in the function body, the expression will be evaluated and implicit returned.
Correct Answer: A,C 🗳️
is below:
<input type="file" onchange="previewFile()">
<img src="" height="200" alt="Image Preview..."/>
The JavaScript portion is:
01 function previewFile(){
02 const preview = document.querySelector('img');
03 const file = document.querySelector('input[type=file]').files[0];
04 //line 4 code
05 reader.addEventListener("load", () => {
06 preview.src = reader.result;
07 },false);
08 //line 8 code
09 }
In lines 04 and 08, which code allows the user to select an image from their local computer , and to display the image in the browser?
- A. 04 const reader = new File();
08 if (file) URL.createObjectURL(file); - B. 04 const reader = new File();
08 if (file) reader.readAsDataURL(file); - C. 04 const reader = new FileReader();
08 if (file) URL.createObjectURL(file); - D. 04 const reader = new FileReader();
08 if (file) reader.readAsDataURL(file);
Correct Answer: D 🗳️
Refer to the string below:
const str = 'Salesforce';
Which two statements result in the word 'Sales'?
Choose 2 answers
- A. str.substr (0, 5);
- B. str.substring (1, 5);
- C. str.substring (0, 5);
- D. str.substr(1, 5);
Correct Answer: A,C 🗳️
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