Created
December 24, 2017 06:55
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JS Bin React Clock // source https://jsbin.com/revuqag
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta name="description" content="React Clock"> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width"> | |
<title>JS Bin</title> | |
</head> | |
<body> | |
<div id="root"></div> | |
<script src="https://fb.me/react-15.1.0.js"></script> | |
<script src="https://fb.me/react-dom-15.1.0.js"></script> | |
<script id="jsbin-javascript"> | |
class Clock extends React.Component { | |
constructor(props) { | |
super(props); | |
this.state = {date: new Date()}; | |
} | |
componentDidMount() { | |
this.timerID = setInterval( | |
() => this.tick(), | |
1000 | |
); | |
} | |
componentWillUnmount() { | |
clearInterval(this.timerID) | |
} | |
tick() { | |
this.setState({ | |
date: new Date() | |
}); | |
} | |
render() { | |
return ( | |
React.createElement("div", null, | |
React.createElement("h1", null, "Hello, world!"), | |
React.createElement("h2", null, "It is ", this.state.date.toLocaleTimeString(), ".") | |
) | |
); | |
} | |
} | |
function App() { | |
return ( | |
React.createElement("div", null, | |
React.createElement(Clock, null) | |
) | |
) | |
} | |
ReactDOM.render( | |
React.createElement(App, null), | |
document.getElementById('root') | |
); | |
</script> | |
<script id="jsbin-source-javascript" type="text/javascript"> | |
class Clock extends React.Component { | |
constructor(props) { | |
super(props); | |
this.state = {date: new Date()}; | |
} | |
componentDidMount() { | |
this.timerID = setInterval( | |
() => this.tick(), | |
1000 | |
); | |
} | |
componentWillUnmount() { | |
clearInterval(this.timerID) | |
} | |
tick() { | |
this.setState({ | |
date: new Date() | |
}); | |
} | |
render() { | |
return ( | |
<div> | |
<h1>Hello, world!</h1> | |
<h2>It is {this.state.date.toLocaleTimeString()}.</h2> | |
</div> | |
); | |
} | |
} | |
function App() { | |
return ( | |
<div> | |
<Clock /> | |
</div> | |
) | |
} | |
ReactDOM.render( | |
<App />, | |
document.getElementById('root') | |
); | |
</script></body> | |
</html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
class Clock extends React.Component { | |
constructor(props) { | |
super(props); | |
this.state = {date: new Date()}; | |
} | |
componentDidMount() { | |
this.timerID = setInterval( | |
() => this.tick(), | |
1000 | |
); | |
} | |
componentWillUnmount() { | |
clearInterval(this.timerID) | |
} | |
tick() { | |
this.setState({ | |
date: new Date() | |
}); | |
} | |
render() { | |
return ( | |
React.createElement("div", null, | |
React.createElement("h1", null, "Hello, world!"), | |
React.createElement("h2", null, "It is ", this.state.date.toLocaleTimeString(), ".") | |
) | |
); | |
} | |
} | |
function App() { | |
return ( | |
React.createElement("div", null, | |
React.createElement(Clock, null) | |
) | |
) | |
} | |
ReactDOM.render( | |
React.createElement(App, null), | |
document.getElementById('root') | |
); |
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