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: Oct 25, 2026
No. of Questions: 225 Questions & Answers with Testing Engine
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Download once, practice offline anywhere. The Salesforce Certified JavaScript Developer I APP from ActualVCE keeps up with the latest test content — 225 practice questions for the CRT-600 exam in 2026.
Salesforce CRT-600 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Debugging and Error Handling | 7% | - Console and breakpoint debugging - Error throwing & catching |
| Topic 2: Browser and Events | 17% | - DOM manipulation - Event handling - Browser dev tools |
| Topic 3: Server-side JavaScript | 8% | - npm basics - Node.js CLI & libraries |
| Topic 4: Objects, Functions, and Classes | 25% | - Function definitions & usage - Modules - Object creation & prototypes - Class declaration & usage |
| Topic 5: Testing | 7% | - Assertions and types of tests - Testing fundamentals |
| Topic 6: Variables, Types, and Collections | 23% | - Type coercion & conversion - Arrays and collections - Variables and initialization - JSON manipulation |
| Topic 7: Asynchronous Programming | 13% | - Async/await - Promises - Callback functions |
CRT-600 Exam FAQ — Measure Your Ability
Upon successful payment, our system emails the Salesforce Certified JavaScript Developer I material automatically within about a minute, with 24/7 help if nothing arrives within 2 hours. If you fail the corresponding CRT-600 exam within 60 days of purchase, we refund the full amount: send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.
None (recommended 1-2 years JavaScript experience) Eligibility rules change over time, so verify the current requirements on the official page (official CRT-600 exam page) before registering.
The Salesforce Certified JavaScript Developer I is Salesforce's certification exam for Salesforce Certified, at the Specialist level. Employers read it as a measure of individual ability in routine technical work. Related credentials include Lightning Web Components Specialist Superbadge.
USD 200 per attempt, 65% to pass. Retakes cost the full fee — save time and money by preparing with the 225 practice questions for the CRT-600 exam at ActualVCE.
105 minutes for 60 questions. Practice anytime anywhere with the ActualVCE APP — steady daily sessions build the pacing you need.
Yes — we provide the free PDF demo of the Salesforce Certified JavaScript Developer I dumps so you can look at the content and gain a further understanding before paying. Purchases include 365 days of free updates by email; renew afterward at 50% off.
The Salesforce Certified JavaScript Developer I blueprint spans 7 domains — including Variables, Types, and Collections (23%), Asynchronous Programming (13%), Server-side JavaScript (8%). Our material stays closely linked to these knowledge points; the complete outline above lists every subtopic.
Salesforce Certified JavaScript Developer I Sample Questions:
Given two expressions var1 and var2. What are two valid ways to return the logical AND of the two expressions and ensure it is data type Boolean ?
Choose 2 answers:
- A. Boolean(var1) && Boolean(var2)
- B. Boolean(var1 && var2)
- C. var1.toBoolean() && var2toBoolean()
- D. var1 && var2
Correct Answer: A,B 🗳️
A developer wants to use a try...catch statement to catch any error that countSheep () may throw and pass it to a handleError () function.
What is the correct implementation of the try...catch?
A)
B)
C)
D)
- A. Option
- B. Option
- C. Option
- D. Option
Correct Answer: A 🗳️
The developer wants to test this code:
Const toNumber =(strOrNum) => strOrNum;
Which two tests are most accurate for this code?
Choose 2 answers
- A. console.assert(toNumber('-3') < 0);
- B. console.assert(Number.isNaN(toNumber()));
- C. console.assert(toNumber () === NaN);
- D. console.assert(toNumber('2') === 2);
Correct Answer: A,D 🗳️
Given the code below:
const delay = sync delay => {
Return new Promise((resolve, reject) => {
setTimeout (resolve, delay);});};
const callDelay =async () =>{
const yup =await delay(1000);
console.log(1);
What is logged to the console?
- A. 1 3 2
- B. 1 2 3
- C. 2 3 1
- D. 2 1 3
Correct Answer: C 🗳️
Given the following code:
What will be the first four numbers logged?
- A. 0012
- B. 0123
- C. 0122
- D. 0112
Correct Answer: D 🗳️
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