Exam Code: Javascript-Developer-I
Exam Questions: 217
Salesforce Certified JavaScript Developer - Multiple Choice (JS-Dev-101)
Updated: 24 Aug, 2026
Viewing Page : 1 - 22
Practicing : 1 - 5 of 217 Questions
Question 1

Refer to the code below:Function changeValue(obj) {Obj.value = obj.value/2;}Const objA = (value: 10);Const objB = objA;changeValue(objB);Const result = objA.value;What is the value of result after the code executes?

Options :
Answer: C

Question 2

Refer to the code below:8Which value can a developer expect when referencing country,capital,cityString?

Options :
Answer: D

Question 3

A developer creates a class that represents a blog post based on the requirement that aPost should have a body author and view count.The Code shown Below:Class Post {// Insert code hereThis.body =bodyThis.author = author;this.viewCount = viewCount;}}Which statement should be inserted in the placeholder on line 02 to allow for a variable to be setto a new instanceof a Post with the three attributes correctly populated?

Options :
Answer: C

Question 4

Considering type coercion, what does the following expression evaluate to?True + '13' + NaN

Options :
Answer: D

Question 5

A developer wrote the following code to test a sum3 function that takes in an array of numbers and returns the sum of the first three numbers in the array, and the test passes.A different developer made changes to the behavior of sum3 to instead sum only the first two numbers present in the array.CaptureWhich two results occur when running this test on the updated sum3 function?Choose 2 answers

Options :
Answer: B,D

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Practicing : 1 - 5 of 217 Questions

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