SALESFORCE-PD1 User Interface Practice Question
A developer is building a Lightning Web Component and needs to perform validation on an input field before submission. Which method on a lighting-input element checks validity?
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
✓
checkValidity()
checkValidity() evaluates validity and reports validity status on input components.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
verify()
Why it's wrong here
Not a standard method.
- ✓
checkValidity()
Why this is correct
Checks if the input satisfies validity constraints.
- ✗
isValid()
Why it's wrong here
Not a standard method.
- ✗
validate()
Why it's wrong here
Not a standard method on lightning-input.
About these practice questions
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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.