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

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Salesforce JavaScript-Developer-I Exam Overview :

Exam Name: Salesforce Certified JavaScript Developer I (SU24)
Exam Code: JavaScript-Developer-I Dumps
Vendor: Salesforce Certification: Salesforce Developer
Questions: 215 Q&A's Shared By: hermione
Question 8

Given the JavaScript below:

01 function filterDOM (searchString) {

02 const parsedSearchString = searchString && searchString.toLowerCase() ;

03 document.quesrySelectorAll(‘ .account’ ) . forEach(account => (

04 const accountName = account.innerHTML.toLOwerCase();

05 account. Style.display = accountName.includes(parsedSearchString) ? /*Insert

code*/;

06 )};

07 }

Which code should replace the placeholder comment on line 05 to hide accounts that do

not match the search string?

Options:

A.

‘ name ’ : ‘ block ’

B.

‘ Block ’ : ‘ none ’

C.

‘ visible ’ : ‘ hidden ’

D.

‘ hidden ’ : ‘ visible ’

Discussion
Question 9

A developer wants to create an object from a function in the browser using the code

below:

Function Monster() { this.name = ‘hello’ };

Const z = Monster();

What happens due to lack of the new keyword on line 02?

Options:

A.

The z variable is assigned the correct object.

B.

The z variable is assigned the correct object but this.name remains undefined.

C.

Window.name is assigned to ‘hello’ and the variable z remains undefined.

D.

Window.m is assigned the correct object.

Discussion
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Question 10

A developer initiates a server with the file server,js and adds dependencies in the source codes package,json that are required to run the server.

Which command should the developer run to start the server locally?

Options:

A.

start server,js

B.

npm start server,js

C.

npm start

D.

node start

Discussion
Question 11

Refer to the code snippet below:

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

For (let i =0; i < array.length; i++)

if (array[i] === 4) {

array.splice(i, 1);

}

}

What is the value of array after the code executes?

Options:

A.

[1, 2, 3, 4, 5, 4, 4]

B.

[1, 2, 3, 4, 4, 5, 4]

C.

[1, 2, 3, 5]

D.

[1, 2, 3, 4, 5, 4]

Option D 11

Discussion
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