1씩증감
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[React] 1씩 증감하는 함수 만들기카테고리 없음 2020. 11. 4. 16:20
| Counter.js import React from 'react' import logo from './logo.svg' import './App.css' import './css/mystyle.css' import my from './images/torikelly.png' import MyName from './MyName' class Counter extends React.Component{ state = { number : 0, } handleIncrease = () => { this.setState({ //number: this.state.number + 1; 세미콜론X number: this.state.number + 1 }) }//end handleDecrease = () => { this...