JAVASCRIPT-DEVELOPER-I Exam Questions and Answers

QUESTION: 41

developer wants to use a module named universalContainersLib and them callfunctions from it.
How should a developer import every function from the module and then call the functions foo and bar ?

import * ad lib from `/path/universalContainersLib.js';lib.foo();lib.bar();
import (foo, bar) from `/path/universalContainersLib.js';foo();bar();
import all from
`/path/universalContaineraLib.js';universalContainersLib.foo();universalContainersLib.bar();
import * from
`/path/universalContaineraLib.js';universalContainersLib.foo();universalContainersLib.bar();

Answer(s): A

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Refer to the code snippet:
Function getAvailabilityMessage(item) {
If (getAvailability(item)){
Var msg ="Username available";
}
Return msg;
}
A developer writes this code to return a message to user attempting to register a new username. If the username is available, variable.
What is the return value of msg hen getAvailabilityMessage ("newUserName" ) is executed and getAvailability("newUserName") returns false?

"Username available"
"newUserName"
"Msg is not defined"
undefined

Answer(s): D

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QUESTION: 43

Given the requirement to refactor the code above to JavaScript class format, which class definition is correct?

A)

B)

C)

D)

Option A
Option B
Option C
Option D

Answer(s): A

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QUESTION: 44

A developer wants to set up a secure web server withNode.js. The developer creates a directory locally called app-server, and the first file is app-server/index.js Without using any third-party libraries, what should the developer add to index.js to create the secure web server?

const https =require(`https');
const server =require(`secure-server');
const tls = require(`tls');
const http =require(`http');

Answer(s): A

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QUESTION: 45

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?

1 2 3
1 3 2
2 1 3
2 3 1

Answer(s): D

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Salesforce JAVASCRIPT-DEVELOPER-I Exam (page: 9)
Salesforce Certified JavaScript Developer I
Updated on: 25-Dec-2025

QUESTION: 41

QUESTION: 42

QUESTION: 43

QUESTION: 44

QUESTION: 45

Salesforce JAVASCRIPT-DEVELOPER-I Exam (page: 9) Salesforce Certified JavaScript Developer I Updated on: 25-Dec-2025

QUESTION: 41

QUESTION: 42

QUESTION: 43

QUESTION: 44

QUESTION: 45

Salesforce JAVASCRIPT-DEVELOPER-I Exam (page: 9)
Salesforce Certified JavaScript Developer I
Updated on: 25-Dec-2025