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

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Salesforce JavaScript-Developer-I Exam Overview :

Exam Name: Salesforce Certified JavaScript Developer (JS-Dev-101)
Exam Code: JavaScript-Developer-I Dumps
Vendor: Salesforce Certification: Salesforce Developer
Questions: 219 Q&A's Shared By: yara
Question 24

Which statement accurately describes the behaviour of the async/ await keyworks ?

Options:

A.

The associated class contains some asynchronous functions.

B.

The associated function will always return a promise

C.

The associated function can only be called via asynchronous methods

D.

The associated sometimes returns a promise.

Discussion
Question 25

Refer to the code below:

Questions 25

What is the value of result after line 10 executes?

Options:

A.

Error: myFather.job is not a function

B.

John Developer

C.

undefined Developer

D.

John undefined

Discussion
Question 26

Questions 26

Which code change should be done for the console to log the following when 'Click me!' is clicked'

> Row log

> Table log

Options:

A.

Remove lines 13 and 14

B.

Change line 10 to event.stopPropagation (false) ;

C.

Change line 14 to elem.addEventListener ('click', printMessage, true);

D.

Remove line 10

Discussion
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Question 27

Refer to the following array:

Let arr1 = [ 1, 2, 3, 4, 5 ];

Questions 27

Which two lines of code result in a second array, arr2 being created such that arr2 is not

a reference to arr1?

Options:

A.

Let arr2 = arr1.slice(0, 5);

B.

Let arr2 = Array.from(arr1);

C.

Let arr2 = arr1;

D.

Let arr2 = arr1.sort();

Discussion
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