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Salesforce Updated JavaScript-Developer-I Exam Questions and Answers by owais

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Salesforce JavaScript-Developer-I Exam Overview :

Exam Name: Salesforce Certified JavaScript Developer I (WI25)
Exam Code: JavaScript-Developer-I Dumps
Vendor: Salesforce Certification: Salesforce Developer
Questions: 215 Q&A's Shared By: owais
Question 16

Universal Containers (UC) notices that its application that allows users to search for

accounts makes a network request each time a key is pressed. This results in too many

requests for the server to handle.

● Address this problem, UC decides to implement a debounce function on string change

handler.

What are three key steps to implement this debounce function?

Choose 3 answers:

Options:

A.

If there is an existing setTimeout and the search string change, allow the existing

setTimeout to finish, and do not enqueue a new setTimeout.

B.

When the search string changes, enqueue the request within a setTimeout.

C.

Ensure that the network request has the property debounce set to true.

D.

If there is an existing setTimeout and the search string changes, cancel the existing

setTimeout using the persisted timerId and replace it with a new setTimeout.

E.

Store the timeId of the setTimeout last enqueued by the search string change handle.

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Question 17

A developer has an ErrorHandler module that contains multiple functions.

What kind of export should be leveraged so that multiple functions can be used?

Options:

A.

all

B.

named

C.

multi

D.

default

Discussion
Question 18

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?

Options:

A.

1 2 3

B.

1 3 2

C.

2 1 3

D.

2 3 1

Discussion
Question 19

A developer has a web server running with Node.js. The command to start the web server is node server.js. The web server started having

latency issues. Instead of a one second turnaround for web requests, the developer now sees a five second turnaround.

Which command can the web developer run to see what the module is doing during the latency period?

Options:

A.

NODE_DEBUG=true node server.js

B.

DEBUG=http, https node server.js

C.

NODE_DEBUG=http,https node server.js

D.

DEBUG=true node server.js

Discussion
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