Exam Plat-Dev-301 Topic 1 Question 188 Discussion

Actual exam question for Salesforce's Plat-Dev-301 exam
Question #: 188
Topic #: 1
A developer is writing a Jest test for a Lightning web component that conditionally displays child components based on a user's checkbox selections.
What should the developer do to properly test that the correct components display and hide for each scenario?

Suggested Answer: B Vote an answer

To ensure that the DOM is clean before each test runs, the developer should use the afterEach() method to reset it. This is part of the setup and teardown process in Jest tests, which helps to avoid state leakage between tests. Reference:
Jest Globals afterEach

by Abraham at Jul 24, 2026, 10:57 PM

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