Exam Code: Javascript-Developer-I
Exam Questions: 217
Salesforce Certified JavaScript Developer - Multiple Choice (JS-Dev-101)
Updated: 26 Nov, 2025
Viewing Page : 1 - 22
Practicing : 1 - 5 of 217 Questions
Question 1

A developer has a web server running with Node.js. The command to start the web server is node server.js. The web server started havinglatency issues. Instead of a one second turnaround for web requests, the developer now sees a five second turnaround.Which command can the web developer run to see what the module is doing during the latency period?

Options :
Answer: D

Question 2

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 3

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

Options :
Answer: D

Question 4

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 5

Given the JavaScript below:9Which code should replace the placeholder comment on line 05 to highlight accounts that match the search string'

Options :
Answer: D

Viewing Page : 1 - 22
Practicing : 1 - 5 of 217 Questions

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