Toggle
by Allie Yu
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.8.6/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.8.6/umd/react-dom.production.min.js"></script>
<div id="root"></div>
Babel + JSX
class MyComponent extends React.Component {
constructor(props) {
super(props);
this.state = {
display: true
}
this.toggleDisplay = this.toggleDisplay.bind(this);
}
toggleDisplay() {
this.setState({
display: !this.state.display
});
}
render() {
// change code below this line
return (
<div>
<button onClick={this.toggleDisplay}>Toggle Display</button>
{this.state.display && <h1>Displayed!</h1>}
</div>
)
}
};
ReactDOM.render(
<MyComponent />,
document.getElementById('root')
)
/* render() {
// change code below this line
if(this.state.display){
return (
<div>
<button onClick={this.toggleDisplay}>Toggle Display</button>
<h1>Displayed!</h1>
</div>);
}else{
return (
<div>
<button onClick={this.toggleDisplay}>Toggle Display</button>
</div>);
} */