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REACTJS

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COMMENT SIMPLIFIER LA CONCEPTION DE L'UI ?

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RAPPELLE TOI AVANT XHR

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Client Serveur

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Client Serveur

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Client Serveur

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Client Serveur

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DATA RENDER

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DATA RENDER DOM STATE DATA-BINDING ENLEVER LES VUES NON-ACTIVES RAJOUTER LES VUES

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DATA RENDER DOM STATE DATA-BINDING ENLEVER LES VUES NON-ACTIVES RAJOUTER LES VUES

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RE-RENDER ALL THE THINGS

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render() { return (

hello {this.props.name}

) }

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render() { return (

hello {this.props.name}

) }

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DÉCRIRE LE COMPOSANT À TOUT MOMENT

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TOUT EST UN COMPOSANT

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JSX JAVASCRIPT XML

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1 22 React.createElement("div", {className:"wtf"})

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BONUS ES6 FLOW

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API

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ng-repeat="friend in friends | filter:searchText"

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WTF

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TOUTES LES FEATURES DE JAVASCRIPT DANS LE TEMPLATE

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GETTERS : .css(propertyName) .css(propertyNames) SETTERS : .css(propertyName, value) .css(propertyName, func) .css(properties)

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LELNOPE

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EXPLICITE >>> *

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1 31 React.render(, node) React.renderToString(, node) React.renderToStaticMarkup(, node)

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LIFECYCLE 32 componentWillMount componentDidMount componentWillUnmount

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LIFECYCLE 33 shouldComponentUpdate componentWillUpdate componentDidUpdate componentWillReceiveProps

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STATE 34 getInitialState() {} setState({}) replaceState({})

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DEFAULTS 35 getDefaultProps() {}

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COMPOSITION 36 mixins : [ { componentDidMount() { console.log("foo") } } ]

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1 37 var React = require("react/addons") var Comment = require("components/comment") var CommentList = React.createClass({ propTypes : { comments : React.PropTypes.arrayOf(React.PropTypes.object).isRequired }, render() { return (

{this.props.comments.map((item) => )}

) } }) module.exports = CommentList

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1 38 var React var Comment var CommentList propTypes comments }, render() { { ) } }) module React.createClass

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1 39 var React var Comment var CommentList propTypes comments }, render() { { ) } }) module propTypes : { comments : React.PropTypes.arrayOf(React.PropTypes.object).isRequired },

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1 40 var React var Comment var CommentList propTypes comments }, render() { { ) } }) module {this.props.comments.map((item) => )}

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1 41 var React var Comment var CommentList propTypes comments }, render() { { ) } }) module {this.props.comments.map((item) => )} var Comment = require("components/comment")

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1 42 var React = require("react/addons") var Author = require("components/author") var Comment = React.createClass({ propTypes : { item : React.PropTypes.shape({ id : React.PropTypes.string.isRequired, message : React.PropTypes.string, author : React.PropTypes.object }) }, render() { return (

) } }) module.exports = Comment

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1 43 var React var Author var Comment propTypes item id message author }) }, render() { className ) } }) module propTypes : { item : React.PropTypes.shape({ id : React.PropTypes.string.isRequired, message : React.PropTypes.string, author : React.PropTypes.object }) },

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1 44 var React var Author var Comment propTypes item id message author }) }, render() { className ) } }) module

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1 45 var React var Author var Comment propTypes item id message author }) }, render() { className ) } }) module dangerouslySetInnerHTML={{__html : this.props.message}}

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DOM EVENTS

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AUTOBINDING!

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PERFORMANCE

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VIRTUAL DOM

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OBJECT POOLING

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IMMUTABILITY

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1 57 shouldComponentUpdate(nextProps, nextState) { return this.props.id !== nextProps.id }

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FRAMEWORK? BIBLIOTHÈQUE

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0 225 450 675 900 ANGULAR COURBE D'APPRENTISSAGE

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0 25 50 75 100 REACTJS COURBE D'APPRENTISSAGE

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RÉCAP

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RE-RENDER ALL THE THINGS COMPONENTS EVERYWHERE API EXPLICITE >>>> *

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MERCI Matthias Le Brun lead front-end [email protected]