Salesforce Javascript-Developer-I Quiz 21 Topic 3 Questions 101-105

Question: 1

A developer wants to use a module named universalContainerLib and then call functions from it.

How should a developer import every function from the module and then call the functions foo and bar?

Aimport - as lib from '/path/universalContainerLib.js''
lib.foo( ) ;
lib. bar ( ) ;

Bimport (foo,bar) from '/path/universalContainerLib.js''
foo ( ) ;
bar ( ) ;

Cimport all from '/path/universalContainerLib.js''
universalContainersLib.foo( ) ;
universalContainersLib bar ( ) :

Dimport + from '/path/universalContainerLib.js''
universalContainersLib.foo( ) ;
universalContainersLib bar ( ) :

Show Answer

Question: 2

Refer to the code snippet:

q2_Javascript-Developer-I

A developer writes this code to return a message to a user attempting to register a new username. If the username is available, a variable named msg is declared and assigned a value on line 03.

What is the return of msg when getivelibilityMessage ('' bewUserName') is executed and getAvailability (''newUserName'') returns false?

A''Username available''

B''newUsername''

C''msg is not defined''

Dundefined

Show Answer

Question: 3

A developer wants to set up a secure web server with Node.js. The developer create 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?

AConst http = require ('https') ;

BConst server = require ( 'secure-server') ;

CConst tls = require ('tls') ;

DConst http = require ('http');

Show Answer

Question: 4

Given the code below.

q4_Javascript-Developer-I

What is logged to the console?

A123

B132

C213

D231

Show Answer

Question: 5

Refer to the code below:

Let searchString = ' Look for this ';

Which two options remove the whitespace from the beginning of searchString? Choose 2 answers

AsearchString. trimEnd ( ) ;

BsearchString. trimstart ( ) ;

CtrimStart (searchString) ;

DsearchString. Replace (/^\a\a'/' ' ') ;

Show Answer

Salesforce Javascript-Developer-I Quiz:21 Topic:3 Questions:101-105