Salesforce Javascript-Developer-I Exam Dumps

Get All Salesforce Certified JavaScript Developer Exam Questions with Validated Answers

Javascript-Developer-I Pack
Vendor: Salesforce
Exam Code: Javascript-Developer-I
Exam Name: Salesforce Certified JavaScript Developer
Exam Questions: 219
Last Updated: December 22, 2025
Related Certifications: Javascript Developer I
Exam Tags: Expert Salesforce JavaScript programmerSalesforce DeveloperFull Stack Developer
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Free Salesforce Javascript-Developer-I Exam Actual Questions

Question No. 1

A developer creates a simple webpage with an input field. When a user enters text in

the inputfield and clicks the button, the actual value of the field must be displayed in the

console.

Here is the HTML file content:

The developer wrote the javascript codebelow:

Const button = document.querySelector('button');

button.addEvenListener('click', () => (

Const input = document.querySelector('input');

console.log(input.getAttribute('value'));

When the user clicks the button, the output is always ''Hello''.

What needs to be done make this code work as expected?

Show Answer Hide Answer
Correct Answer: A

Question No. 2

A developer writes the code below to calculate the factorial of a given number

function sum(number){

return number * sum(number-1);

}

sum(3);

what is the result of executing the code.

Show Answer Hide Answer
Correct Answer: C

Question No. 3

There is a new requirement for a developer to implement a currPrice method that will return the current price of the item or sales..

What is the output when executing the code above

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Correct Answer: B

Question No. 4

Refer to the following array:

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

Which three options result in x evaluating as [1,2]?

Choose 3 answer

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Correct Answer: B, C, E

Question No. 5

is below:

The JavaScript portion is:

01 functionpreviewFile(){

02 const preview = document.querySelector('img');

03 const file = document.querySelector('input[type=file]').files[0];

04 //line 4 code

05 reader.addEventListener(''load'', () => {

06 preview.src = reader.result;

07 },false);

08 //line 8 code

09 }

In lines 04 and 08, which code allows the user to select an image from their local

computer , and to display the image in the browser?

Show Answer Hide Answer
Correct Answer: D

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