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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
<title>Document</title> | |
</head> | |
<body> | |
<style> | |
html, | |
body, | |
#app { | |
margin: 0; | |
padding: 0; | |
background: #001f3f; | |
height: 100%; | |
color: white; | |
} | |
button { | |
height: 40px; | |
padding: 8px 10px; | |
border: none; | |
width: 200px; | |
margin: 10px 0; | |
font-size: 18px; | |
color: #111111; | |
} | |
.wrapper { | |
width: 100%; | |
height: 100%; | |
display: flex; | |
flex-direction: column; | |
font-family: Avenir, Arial, Helvetica, sans-serif; | |
font-size: 60px; | |
align-items: center; | |
justify-content: center; | |
} | |
.label { | |
font-size: 14px; | |
} | |
</style> | |
<div id="app"></div> | |
<!-- Note: when deploying, replace "development.js" with "production.min.js". --> | |
<script src="https://unpkg.com/react@16/umd/react.development.js" crossorigin></script> | |
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js" crossorigin></script> | |
<script> | |
class Wrapper extends React.Component { | |
constructor(props) { | |
super(props); | |
this.state = { image: null }; | |
this.getImage = this.getImage.bind(this) | |
} | |
getImage() { | |
return fetch('https://dog.ceo/api/breed/akita/images/random') | |
.then(rsp => rsp.json()) | |
.then(data => ( | |
this.setState({ | |
image: data.message | |
}) | |
)) | |
} | |
componentDidMount() { | |
this.getImage() | |
} | |
render() { | |
return React.createElement( | |
'div', | |
{ className: 'wrapper' }, | |
React.createElement(Img, { source: this.state.image }), | |
React.createElement(Button, { getImage: this.getImage }) | |
); | |
} | |
} | |
function Img(props) { | |
return React.createElement( | |
'img', | |
{ | |
src: props.source, | |
}, | |
); | |
} | |
function Button(props) { | |
return React.createElement( | |
'button', | |
{ onClick: props.getImage }, | |
"Get a new puppy" | |
); | |
} | |
var container = document.querySelector('#app'); | |
ReactDOM.render( | |
React.createElement(Wrapper), | |
container | |
); | |
</script> | |
</body> | |
</html> |
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