Salesforce Exam Javascript Developer I Topic 3 Question 106 Discussion

Actual exam question for Salesforce's Javascript Developer I exam

Question #: 106
Topic #: 3

A developer is setting up a new Node.js server with a client library that is built using events and callbacks.

The library:

Will establish a web socket connection and handle receipt of messages to theserver

Will be imported with require, and made available with a variable called we.

The developer also wants to add error logging if a connection fails.

Given this info, which code segment shows the correct way to set up a client with two events that listen at execution time?

Aws.connect (( ) => {console.log('connected to client'); }).catch((error) => { console.log('ERROR' , error); }};

Bws.on ('connect', ( ) => {console.log('connected to client'); ws.on('error', (error) => { console.log('ERROR' ,error); });}); C. ws.on ('connect', ( ) => { console.log('connected to client'); }}; ws.on('error', (error) => { console.log('ERROR' , error); }};

Ctry{ws.connect (( ) => {console.log('connected to client'); });} catch(error) { console.log('ERROR' ,error); };}

Show Suggested Answer

Suggested Answer: C

by Mattie at Jul 10, 2025, 09:09 AM

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Stephaine

5 days ago

I think the correct answer is B.

upvoted 0 times

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