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Exam Certified Platform Developer II All Questions

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Exam Certified Platform Developer II topic 1 question 287 discussion

Actual exam question from Salesforce's Certified Platform Developer II
Question #: 287
Topic #: 1
[All Certified Platform Developer II Questions]

Given the following containment hierarchy:



What is the correct way to communicate the new value of a property named “passthrough” to my-parent-component if the properly is defined within my-child-component?

  • A.
  • B.
  • C.
  • D.
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Suggested Answer: B 🗳️
by Ullr at March 25, 2023, 3:54 p.m.

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stan_malta
1 year ago
Selected Answer: B
Don't forget the value passing, C passes nothing
upvoted 1 times
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Sapphire808
1 year, 1 month ago
B https://trailhead.salesforce.com/content/learn/projects/communicate-between-lightning-web-components/communicate-from-child-to-parent Send Data With A Custom Event section
upvoted 2 times
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BrucePark
1 year, 3 months ago
Selected Answer: C
C is correct. Firstly, the detail param is optional. (https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent/CustomEvent) Secondly, the question doesn't provide anything about the detail param. Therefore, C is correct.
upvoted 1 times
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RegNav
1 year, 6 months ago
Selected Answer: B
To pass data to the event you specify an object that includes the ‘detail’ property in the CustomEvent() constructor. This ‘detail’ property is used for passing custom value.
upvoted 2 times
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Ullr
1 year, 7 months ago
we have to pass the value in DETAIL section, so B is correct answer
upvoted 2 times
...

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C (25%)
B (20%)
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