index.js
import React from 'react';
import ReactDOM from 'react-dom/client';
import ButtonText from './ButtonText'
import reportWebVitals from './reportWebVitals';
const root = ReactDOM.createRoot(document.getElementById('root'));
root.render(
<React.StrictMode>
<ButtonText />
</React.StrictMode>
);
// If you want to start measuring performance in your app, pass a function
// to log results (for example: reportWebVitals(console.log))
// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
reportWebVitals();
ButtonText.js
import Btc from './components/BTContents';
const ButtonText = ()=>{
return(
<div className='text'>
<Btc
text = {"今日は休み"}
buttonText = {"PUSH"}
/>
</div>
)
}
export default ButtonText;
BTContents.js (create-first\src\components\BTContents.js)
import { useState } from "react";
const Btc = function(props){
const [textbox,setTextbox] = useState('');
const handleChange = (e) => {
}
const [description,setDescription] = useState('今日は休み');
function changeDescription(){
setDescription('今日は仕事');
}
return(
<div>
<form>
<input type="text"
onChange={handleChange}
/>
<p>text:{textbox}</p>
</form>
<div>{props.text}</div>
<div>{description}</div>
<button onClick={changeDescription}>{props.buttonText}</button>
</div>
)
}
export default Btc;
buttontext.css