A clear goal and the right tool make a strong combination. For the CRT-600 exam, ValidVCE supplies the tool: 225 verified practice questions for the Salesforce Certified JavaScript Developer I exam, designed to be straightforward to use from the first session.
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 Format: | Multiple-select, Multiple-choice |
| Available Languages: | English |
| Exam Duration: | 105 minutes |
| Passing Score: | 68% |
| Certificate Validity Period: | 2 years |
| Related Certifications: | Salesforce Certified B2C Commerce Developer Salesforce Certified Platform Developer I |
| Real Exam Qty: | 60 + up to 5 unscored items |
| Recommended Training: | Prepare for JavaScript Developer I Trailmix CRT-600 Certification Preparation Course |
| Exam Registration: | Pearson VUE Registration Salesforce Certification Portal |
| Sample Questions: | ![]() |
| 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 |
|---|---|---|
| Topic 1: Debugging and Testing | 12% | - Error handling and debugging techniques - Code quality and linting - Write and run unit tests |
| Topic 2: Asynchronous Programming | 15% | - Callbacks, promises, and async/await - Timers and event loop - Fetch API and HTTP requests |
| Topic 3: Browser and Events | 17% | - Browser APIs and development tools - Event handling and propagation - DOM manipulation and traversal |
| Topic 4: Objects, Functions, and Classes | 25% | - Define functions, scope, and closures - Implement classes, inheritance, and modules - Create and manipulate objects |
| Topic 5: Server-Side JavaScript | 8% | - Use Node.js core APIs - Node.js basics and modules |
| Topic 6: Variables, Types, and Collections | 23% | - Use primitive and reference data types - Declare and initialize variables - Work with arrays, sets, maps, and JSON |
CRT-600 Practice Questions: FAQ
One complete message, sent within about a minute of payment: the download link for your material, plus the account and password you need to access it. Nothing else to wait for — you can open the CRT-600 practice questions moments after checkout.
Many candidates combine practice questions with official training. Recommended options include:
This package includes 225 practice questions for the Salesforce Certified JavaScript Developer I exam. Every answer is verified by an experienced team of experts, so you can trust what you study.
The Salesforce Certified JavaScript Developer I practice questions are organized around the official exam objectives. Key topics include:
- Asynchronous Programming (15%)
- Browser and Events (17%)
- Debugging and Testing (12%)
Clear topic organization makes the material easy to navigate from day one.
The Salesforce Certified JavaScript Developer I exam contains 60 + up to 5 unscored items questions, and you will have 105 minutes minutes to complete them. Practicing within these limits turns pacing into second nature.
The Salesforce Certified JavaScript Developer I exam requires a score of 68% to pass, and the official registration fee is USD 200 (plus tax; retake USD 100). Planning around both figures keeps your preparation grounded.
You can register for the Salesforce Certified JavaScript Developer I exam through the official channels:
Directly. Suggestions and criticism from candidates feed into our review process, and recurring points are addressed in updates to the question bank and the software. If you notice something that could be better — a confusing question, a rough edge in the engine — tell us; that input is part of how the product improves.
No mandatory prerequisites; recommended 1–2 years of JavaScript development experience
You can confirm the current eligibility requirements on the official CRT-600 exam page before you register.
Salesforce Certified JavaScript Developer I Sample Questions:
Refer to HTML below:
<div id ="main">
<div id = " card-00">This card is smaller.</div>
<div id = "card-01">The width and height of this card is determined by its contents.</div>
</div>
Which expression outputs the screen width of the element with the ID card-01?
- A. document.getElementById(' card-01 ').getBoundingClientRest().width
- B. document.getElementById(' card-01 ').innerHTML.lenght*e
- C. document.getElementById(' card-01 ').style.width
- D. document.getElementById(' card-01 ').width
Correct Answer: A 🗳️
Refer to code below:
Function muFunction(reassign){
Let x = 1;
var y = 1;
if( reassign ) {
Let x= 2;
Var y = 2;
console.log(x);
console.log(y);}
console.log(x);
console.log(y);}
What is displayed when myFunction(true) is called?
- A. 2 2 1 1
- B. 2 2 undefined undefined
- C. 2 2 1 2
- D. 2 2 2 2
Correct Answer: C 🗳️
Refer to the code below:
Which replacement for the conditional statement on line 02 allows a developer to correctly determine that a specific element, myElement on the page had been clicked?
- A. event.target.id =='myElement'
Correct Answer: A 🗳️
A test has a dependency on database. query. During the test, the dependency is replaced with an object called database with the method, Calculator query, that returns an array. The developer does not need to verify how many times the method has been called.
Which two test approaches describe the requirement?
Choose 2 answers
- A. White box
- B. Black box
- C. Substitution
- D. Stubbing
Correct Answer: A,C 🗳️
Refer to the following code:
Which two statement 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. leo.prototype.roar = ( ) =>( console.log('They\'re pretty good!'); };
- C. Object.assign (leo. Tiger);
- D. Object.assign (leo, tony);
Correct Answer: A,D 🗳️
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