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- import React, { useState } from "react";
- const Sum = () => {
- const [value1, setValue1] = useState();
- const [value2, setValue2] = useState();
- const [result, setResult] = useState();
- const calculateSum = () => setResult(value1 + value2);
- return (
- <div>
- <input
- data-testid="value1"
- value={value1}
- onChange={e => setValue1(e.target.value)}
- />
- <input
- data-testid="value2"
- value={value2}
- onChange={e => setValue2(e.target.value)}
- />
- <button data-testid="sum-button" onClick={calculateSum} />
- <p data-testid="result-txt">{result}</p>
- </div>
- );
- };
- export default Sum;
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