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Question 1

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A developer needs to create an event listener on a parent component programmaticallv. With the script below, what should replace the text <EVENT LISTENER UNE>?

Question 2

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A developer has the task to create custom Lightning web components (LWCs). Which two steps must a developer take when creating custom LWCs?

Question 3

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Which two event settings are required for a custom event called CustomEvent to fire from the Lightning web component and propagate up to the DOM?

Question 4

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How can a developer establish communication between components that are not in the same DOM (Document Object Model) tree?

Question 5

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Which two guidelines should a developer consider when migrating aura components to LWC?

Question 6

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What are two considerations to keep in mind when including additional JavaScript files in a Lightning web component?

Question 7

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Which wire adapter should a developer use to retrieve metadata about a specific object?

Question 8

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Which code statement should a developer use to import the ID of the current Lightning Experience

Question 9

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Which wire adapter should a developer use to retrieve metadata about a specific picklist?

Question 10

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Which category can receive signaling from a Lightning Message Channel?

Question 189 - Certified B2B Commerce Developer discussion

A developer is attempting to write a Lightning Web component from scratch by first creating the HTML markup and receives an error. Which three tags when used as the first element in the file would produce an error?

<body>

<html>

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asked 23/09/2024

frederic dohen

36 questions

Your answer: A B C D

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