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15 changes: 4 additions & 11 deletions src/App.jsx
Original file line number Diff line number Diff line change
@@ -1,17 +1,10 @@
import { useState } from "react";
import reactLogo from "./assets/react.svg";
import viteLogo from "/vite.svg";
import "./App.css";
import Input from "./components/Input"

function App() {
const [count, setCount] = useState(0);
const name = "류승찬";

return (
<>
화이팅
</>
return(
<Input/>
);
}

export default App;
export default App;
24 changes: 24 additions & 0 deletions src/components/Input.jsx
Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
import { useState,useRef } from "react";
import Log from "./Log"



function Input() {
const [inp, setInp] = useState('');

const inpRef = useRef(null);

const focusInp = () => {
inpRef.current.focus()
}
return (
<div>
<button onClick={focusInp}>포커스</button>
<input ref={inpRef} value={inp} onChange={(e) => { setInp(e.target.value) }}></input>
<p>입력한 내용 : {inp}</p>
<Log text={inp}/>
</div>
);
}

export default Input;
22 changes: 22 additions & 0 deletions src/components/Log.jsx
Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
import { useState,useEffect } from 'react';

function Log({ text }) {
const [texts, setTexts] = useState([]);

useEffect(() => {
if (texts.length > 0) {
console.log("추가됨");
}
}, [texts])
const handleAdd = () => {
setTexts([...texts, text]);
};
return (
<div>
<button onClick={handleAdd}>기록 추가</button>
<p>목록: {texts.join(', ')}</p>
</div>
);
}

export default Log;