Free Salesforce CRT-600 Practice Test & Real Exam Questions

  • Exam Code/Number: CRT-600
  • Exam Name/Title: Salesforce Certified JavaScript Developer I
  • Certification Provider: Salesforce
  • Corresponding Certification: Salesforce Certified
  • Exam Questions: 225
  • Updated On: Jun 16, 2026
Given HTML below:
<div>
<div id ="row-uc"> Universal Container</div>
<div id ="row-aa">Applied Shipping</div>
<div id ="row-bt"> Burlington Textiles </div>
</div>
Which statement adds the priority = account CSS class to the universal Containers row ?
Correct Answer: D Vote an answer
Given the code below:

Which method can be used to provide a visual representation of the list of users and to allow sorting by the name or email attribute?
Correct Answer: C Vote an answer
developer publishes a new version of a package with new features that do not break backward compatibility. The previous version number was 1.1.3.
Following semantic versioning format, what should the new package version number be?
Correct Answer: C Vote an answer
Refer to the code below:
const addBy = ?
const addByEight =addBy(8);
const sum = addBYEight(50);
Which two functions can replace line 01 and return 58 to sum?
Choose 2 answers
Correct Answer: B,D Vote an answer
Refer to the string below:
const str = 'Salesforce';
Which two statements result in the word 'Sales'?
Choose 2 answers
Correct Answer: A,C Vote an answer
Refer to code below:
Const objBook = {
Title: 'Javascript',
};
Object.preventExtensions(objBook);
Const newObjBook = objBook;
newObjectBook.author = 'Robert';
What are the values of objBook and newObjBook respectively ?
Correct Answer: A Vote an answer
Given code below:
setTimeout (() => (
console.log(1);
). 0);
console.log(2);
New Promise ((resolve, reject )) = > (
setTimeout(() => (
reject(console.log(3));
). 1000);
)).catch(() => (
console.log(4);
));
console.log(5);
What is logged to the console?
Correct Answer: B Vote an answer
bar, awesome is a popular JavaScript module. the versions publish to npm are:

Teams at Universal Containers use this module in a number of projects. A particular project has the package, json definition below.

A developer runs this command: npm install.
Which version of bar .awesome is installed?
Correct Answer: A Vote an answer
Which two console logs output NaN?
Choose 2 answers | |
Correct Answer: B,C Vote an answer
developer wants to use a module named universalContainersLib and them call functions from it.
How should a developer import every function from the module and then call the fuctions foo and bar ?
Correct Answer: B Vote an answer
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 ?
Correct Answer: C Vote an answer
Given the following code:

What is the output of line 02?
Correct Answer: D Vote an answer
A developer copied a JavaScript object:

How does the developer access dan's forstName,lastName? Choose 2 answers
Correct Answer: A,C Vote an answer
Refer to the following object:
const cat ={
firstName: 'Fancy',
lastName: ' Whiskers',
Get fullName() {
return this.firstName + ' ' + this.lastName;
}
};
How can a developer access the fullName property for cat?
Correct Answer: C Vote an answer
Refer to the code below:

Which value can a developer expect when referencing country,capital,cityString?
Correct Answer: D Vote an answer