SALESFORCE-PD1 User Interface Practice Question
A developer needs to execute initialization logic as soon as a Lightning Web Component is inserted into the DOM. Which lifecycle hook should be used?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
connectedCallback()
connectedCallback() is invoked when a component is inserted into the DOM, making it the standard hook for initialization logic.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
renderedCallback()
Why it's wrong here
Incorrect. renderedCallback() runs after every render cycle of the component.
- ✗
disconnectedCallback()
Why it's wrong here
Incorrect. disconnectedCallback() runs when the component is removed from the DOM.
- ✗
constructor()
Why it's wrong here
Incorrect. constructor() is called when the component is created, but DOM elements and properties are not yet fully available.
- ✓
connectedCallback()
Why this is correct
Correct. connectedCallback() runs when the component is inserted into the DOM.
About these practice questions
One of 493 original SALESFORCE-PD1 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Salesforce exam blueprint
This SALESFORCE-PD1 practice question is part of Courseiva's free Salesforce certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SALESFORCE-PD1 exam.