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Latest JavaScript-Developer-I Exam Questions


Question # 1



Which statement accurately describes an aspect of promises?
A. Arguments for the callback function passed to .then() are optional.
B. In a .then() function, returning results is not necessary since callbacks will catch the result of a previous promise.
C. .then() cannot be added after a catch.
D. .then() manipulates and returns the original promise.



A.   Arguments for the callback function passed to .then() are optional.




Question # 2



A developer is leading the creation of a new web server for their team that will fulfill API requests from an existing client. The team wants a web server that runs on Node.Js, and they want to use the new web framework Minimalist.Js. The lead developer wants to advocate for a more seasoned back-end framework that already has a community around it. Which two frameworks could the lead developer advocate for? (Choose 2 answers)
A. Gatsby
B. Angular
C. Express
D. Koa



A.   Gatsby


B.   Angular




Question # 3



A developer tries to retrieve all cookies, then sets a certain key value pair in the cookie. These statements are used:

What is the behavior?

A. Cookies are read, but the key value is not set because the value is not URL encoded.
B. Cookies are not read because line 01 should be document, cookies, but the key value is set and all cookies are wiped.
C. A Cookies are read and the key value is set, the remaining cookies are unaffected.
D. Cookies are read and the key value is set, and all cookies are wiped.



C.   A Cookies are read and the key value is set, the remaining cookies are unaffected.




Question # 4



Given the following code:

What is the output of line 02?

A.

"null"

B.

"x-

C.

"undefined" 0

D.

'object"




D.   

'object"






Question # 5



A developer wants to use a module called DataPrettyPrint. This module exports one default function called printDate ().
How can a developer import and use the printDate() function?

A. Option A
B. Option B
C. Option C
D. Option D



B.   Option B




Question # 6



A developer has an ErrorHandler module that contains multiple functions. What kind of export should be leveraged so that multiple functions can be used?
A. all
B. named
C. multi
D. default



B.   named




Question # 7



Refer to the following code:

 

A




Question # 8



After user acceptance testing, the developer is asked to change the webpage background
based on user's location. This change was implemented and deployed for testing.
The tester reports that the background is not changing, however it works as required when
viewing on the developer's computer.
Which two actions will help determine accurate results?
Choose 2 answers

A.

The developer should inspect their browser refresh settings.

B.

The tester should disable their browser cache.

C.

The developer should rework the code.

D.

The tester should dear their browser cache.




A.   

The developer should inspect their browser refresh settings.




D.   

The tester should dear their browser cache.






Question # 9



Refer to the code below:

Which replacement for the conditional statement on line 02 allows a developer to correctly determine
that a specific element, myElement on the page had been clicked?

 

A.

event.target.id =='myElement'




A.   

event.target.id =='myElement'






Question # 10



Refer to the code below:

What is the result when the Promise in the execute function is rejected?

A.

Resolved1 Resolved2 Resolved3 Resolved4

B.

Rejected

C.

Rejected Resolved

D.

Rejected1 Rejected2 Rejected3 Rejected Rejected Rejected4




C.   

Rejected Resolved





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Salesforce JavaScript-Developer-I Dumps - Real Exam Questions


Exam Code: JavaScript-Developer-I
Exam Name: Salesforce Certified JavaScript Developer I (SU24)

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