SALESFORCE-PD1 User Interface Practice Question
A developer is implementing a Lightning Web Component that handles drag-and-drop functionality. Which native DOM event is typically intercepted to allow a drop action on an element?
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
✓
dragover and preventDefault()
Preventing default on dragover is required to allow a drop event to fire on an element.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
dragstart
Why it's wrong here
Fires when dragging starts.
- ✗
dropstart
Why it's wrong here
Not a standard DOM event.
- ✓
dragover and preventDefault()
Why this is correct
Preventing default on dragover permits dropping.
- ✗
mousedown
Why it's wrong here
Used for general clicking, not drag and drop.
About these practice questions
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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.