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Question 10 - Certified B2B Commerce Administrator discussion

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What is the purpose of connectedCallback in a Lightning web component? ''04m 385.

A.
It performs actions when a network request is made.
Answers
A.
It performs actions when a network request is made.
B.
It perform actions when a component makes a call to a Connect APL.
Answers
B.
It perform actions when a component makes a call to a Connect APL.
C.
It performs actions when a component is removed from the DOM.
Answers
C.
It performs actions when a component is removed from the DOM.
D.
It performs actions when a component is added to the DOM.
Answers
D.
It performs actions when a component is added to the DOM.
Suggested answer: D

Explanation:

The connectedCallback is a lifecycle hook in Lightning web component. It fires when a component is inserted into the DOM. It runs once when the component is inserted. connectedCallback in Lightning Web Component flows from parent to child.It can be used to perform actions such as initializing variables, fetching data, or setting event listeners1.Reference:connectedCallback() and disconnectedCallback(),connectedCallback() in Lightning Web Component,What is connectedCallback in LWC?

asked 23/09/2024
Kumar, Manivannan
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