Higher Test Marks with Free Online DEX602 Exam Practice

Assess the CertsIQ’s updated DEX602 exam questions for free online practice of your Program Lightning Web Components test. Our Javascript-Developer-I DEX-602 dumps questions will enhance your chances of passing the Javascript Developer certification exam with higher marks.

Exam Code: DEX602
Exam Questions: 217
Program Lightning Web Components
Updated: 21 Mar, 2026
Question 1

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

Options :
Answer: D

Question 2

Which function should a developer use to repeatedly execute code at a fixed interval ?

Options :
Answer: A

Question 3

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

Question 4

Refer to the code below:Const resolveAfterMilliseconds = (ms) => Promise.resolve (setTimeout (( => console.log(ms), ms ));Const aPromise = await resolveAfterMilliseconds(500);Const bPromise = await resolveAfterMilliseconds(500);Await aPromise, wait bPromise;What is the result of running line 05?

Options :
Answer: B

Question 5

Refer to HTML below:The current status of an Order: In Progress Which JavaScript statement changes the text 'In Progress' to 'Completed' ?

Options :
Answer: C

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