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Salesforce CRT-600 Exam

Certification Provider: Salesforce
Exam Name: Prepare for your JavaScript Developer I Certification Exam
Number of questions in our database: 224
Exam Version: Jan. 24, 2023
CRT-600 Exam Official Topics:
  • Topic 1: Server Side JavaScript Debugging in Node.js, Node.js Libraries
  • Topic 2: Objects, Functions, and Classes/ Using JavaScript Modules/ Declaring Classes
  • Topic 3: Asynchronous Programming/ Callback Functions/ Promises and Async/Await
  • Topic 4: JavaScript Basics/ Working with Strings, Numbers, and Dates
  • Topic 5: Type Conversion (explicit and implicit)/ Working with JSON/ Data Types and Variables
  • Topic 6: Debugging and Error Handling/ Throwing and Catching Errors/ Working with the Console
  • Topic 7: Creating Objects, Object Prototypes, Defining Functions
  • Topic 8: Browser and Events/ Document Object Model/ Browser Dev Tools

Free Salesforce CRT-600 Exam Actual Questions

The questions for CRT-600 were last updated On Jan. 24, 2023

Question #1

A developer initiates a server with the file server,js and adds dependencies in the source codes package,json that are required to run the server.

Which command should the developer run to start the server locally?

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Correct Answer: C

Question #2

Refer to the code below:

let car1 = new Promise((_ ,reject)=> setTimeout(reject,2000,"Car1 crashed in"));

let car2 = new Promise(resolve => setTimeout(resolve,1500,"Car2 completed"));

let car3 = new Promise(resolve => setTimeout(resolve,3000,"Car3 completed"));

Promise.race([car1,car2,car3])

.then(value=>{

let result = `${value} the race.`;

}).catch(err=>{

console.log('Race is cancelled.',err);

});

What is the value of result when promise.race execues?

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Correct Answer: A

Question #3

A developer at Universal Containers is creating their new landing page based on HTML, CSS, and JavaScript.

To ensure that visitors have a good experience, a script named personalizeWebsiteContent needs to be executed when the webpage is fully loaded (HTML content and all related files), in order to do some custom initializations.

Which implementation should be used to call Fe:s:-a;::eHec5;te::.-.ter.: based on the business requirement above?

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Correct Answer: C

Question #4

A developer has the function, shown below, that is called when a page loads.

Where can the developer see the log statement after loading the page in the browser?

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Correct Answer: A

Question #5

A developer wants to use a module called DataPrettyPrint. This module exports one default function called printDate ().

How can a developer import and use the printDate() function?

A)

B)

C)

D)

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Correct Answer: B


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