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Hello React - props constraints - How to add constraints to your props to make your component more strongly typed at runtime. JsFiddle: http://jsfiddle.net/gh/gist/library/pure/82a72b3fbf47902dc4c2
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<script src="https://fb.me/react-with-addons-0.14.0.js"></script> | |
<script src="https://fb.me/react-dom-0.14.0.js"></script> | |
<div id="view"/> |
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var HelloReact = React.createClass({ | |
propTypes: { | |
message: React.PropTypes.string, | |
number: React.PropTypes.number, | |
requiredString: React.PropTypes.string.isRequired | |
}, | |
render: function() { | |
return ( | |
<div> | |
<div>Hello React</div> | |
<div>{this.props.message}</div> | |
</div> | |
); | |
} | |
}); | |
// Let's redirect warnings to an alert box | |
console.warn = function (message) { | |
alert(message); | |
}; | |
ReactDOM.render( | |
<HelloReact message='How are you' number='not a number'/>, | |
document.getElementById('view')); |
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name: ReactJs example by Ryan Vice - www.ViceSoftware.com | |
description: Hello React - props constraints - How to add constraints to your props to make your component more strongly typed at runtime. | |
authors: | |
- Ryan Vice | |
resources: | |
normalize_css: no | |
wrap: h | |
panel_js: 3 | |
panel_css: 0 |
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jsfiddle works but not in browser... where is babel library js???