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July 19, 2018 05:56
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Perhaps a way to simplify ResourceCards?
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| import React, {Component} from 'react'; | |
| import './App.css'; | |
| const cards = ['Card 1', 'Card 2', 'Card 3']; | |
| const Card = props => ( | |
| <div | |
| onClick={props.handleClick} | |
| className="Card" | |
| style={{transform: props.selected && 'scale(1.5)'}}> | |
| <div>{props.children}</div> | |
| </div> | |
| ); | |
| class App extends Component { | |
| constructor(props) { | |
| super(props); | |
| this.state = { | |
| selected: null, | |
| }; | |
| } | |
| render() { | |
| return ( | |
| <div className="App"> | |
| {cards.map(card => ( | |
| <Card | |
| key={card} | |
| selected={this.state.selected === card} | |
| handleClick={() => this.setState({selected: card})}> | |
| {card} | |
| </Card> | |
| ))} | |
| </div> | |
| ); | |
| } | |
| } | |
| export default App; |
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I finally looked up what .map() is in javascript. I see it everywhere in React and didn't realize it's basically a .forEach() loop that returns an array. Neat :)