How to pass numbers to React component?
Interviewer Expectations for this Question
01
Core Competency
Assesses fundamental understanding of React conventions, runtime behavior, and memory/performance considerations.
02
Evaluation Criteria
Hiring managers look for precision, avoidance of ambiguous jargon, and ability to explain trade-offs under real production conditions.
Comprehensive Model Answer
Verified Solution
We can pass numbers as props to React component using curly braces {} where as strings in double quotes "" or single quotes ''
import React from "react";
const ChildComponent = ({ name, age }) => {
return (
<>
My Name is {name} and Age is {age}
</>
);
};
const ParentComponent = () => {
return (
<>
<ChildComponent name="Chetan" age={30} />
</>
);
};
export default ParentComponent;
Candidate Response Strategy & Interview Tips
- Start with a concise one-sentence summary: Deliver a direct, confident answer first before expanding into nuances.
- Demonstrate real-world trade-offs: Discuss where this approach excels and when you would avoid it in production systems.
- Discuss complexity & edge cases: Proactively explain time/space complexity or boundary conditions (null values, scale limits).
- Prepare for interviewer follow-ups: Technical hiring panels frequently probe deeper into concurrency, backward compatibility, or alternative libraries.