ReactJS Program to Empty State Component with Explanation
ReactJS
Medium
Component Design
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1 min read
88 words
This problem helps you practice core ReactJS fundamentals in a practical way. It builds intuition around component, button, react. Let’s break it down step by step so you can implement it confidently.
Problem Statement
Create an EmptyState component that shows a title, message, and an action button.
Input Format
No input.
Output Format
Render a React component.
Constraints
Use props for text and button handler.
Code Solution
This explanation is written for learning purposes and to help beginners understand the concept clearly.
import React from 'react';
export function EmptyState({ title, message, actionLabel, onAction }) {
return (
<div style={{ border: '1px dashed #bbb', borderRadius: 14, padding: 16, width: 420 }}>
<h2 style={{ margin: '0 0 8px 0' }}>{title}</h2>
<p style={{ margin: '0 0 12px 0', color: '#555' }}>{message}</p>
<button type='button' onClick={onAction} style={{ padding: '10px 14px', borderRadius: 12, border: 0, background: '#0b5', color: '#fff' }}>
{actionLabel}
</button>
</div>
);
}
export default function App() {
return (
<EmptyState
title='No saved questions'
message='Save a question on meetcode to see it here.'
actionLabel='Browse topics'
onAction={() => {}}
/>
);
}
Output Example
No sample I/O is provided for this question.
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Solution Guide
Problem
Create an EmptyState component that shows a title, message, and an action button.
Input / Output
Output
Render a React component.
Constraints
Use props for text and button handler.
Details
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Difficulty
Medium
ReactJS
Official Solution
import React from 'react';
export function EmptyState({ title, message, actionLabel, onAction }) {
return (
<div style={{ border: '1px dashed #bbb', borderRadius: 14, padding: 16, width: 420 }}>
<h2 style={{ margin: '0 0 8px 0' }}>{title}</h2>
<p style={{ margin: '0 0 12px 0', color: '#555' }}>{message}</p>
<button type='button' onClick={onAction} style={{ padding: '10px 14px', borderRadius: 12, border: 0, background: '#0b5', color: '#fff' }}>
{actionLabel}
</button>
</div>
);
}
export default function App() {
return (
<EmptyState
title='No saved questions'
message='Save a question on meetcode to see it here.'
actionLabel='Browse topics'
onAction={() => {}}
/>
);
}
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