Free Access Salesforce.JavaScript-Developer-I.v2024-02-29.q103 Practice Test (Page 13)

Question 56

Which option is true about the strict mode in imported modules?

A.You can only reference notStrict() functions from the imported module.

B.Add the statement use non-strict, before any other statements in the module to enable not-strict mode.

C.Add the statement use strict =false; before any other statements in the module to enable not- strict mode.

D.Imported modules are in strict mode whether you declare them as such or not.

Question 57

Which two options are core Node.js modules?
Choose 2 answers

A.worker

B.exception

C.isotream

D.http

Question 58

A developer has the following array of student test grades:
Let arr - [7, 8, 5, 9]
How should want to double each score and then see an array of the students who scored more than 15 points.
How should the developer implement the request?

A.Let arr1 = arr.map ((num) => num + 2 .filter ((val) => val 15 );

B.Let arr1 = arr.mapBy ((num) => return num + 2 )) .filterBy ((val) => ( return val > 15 )) ;

C.Let arr1 = arr .map ((num => ( num + 2 )) .filterBy ((val => ( val 15 )) ;

D.Let arr1 = arr .filter ((filter ((val) => ( return val > 15 )) .map (( num => ( return num +2 ));

Question 59

Refer to the code below:

A developer uses a client that makes a GET request that uses a promise to handle the request, getRequest returns a promise.
Which code modification can the developer make to gracefully handle an error?
A)