xyzdata/dynamically-add-child-components-in-react.md

## dynamically-add-child-components-in-react.md

      
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              dynamically-add-child-components-in-react.md
            
          
    dynamically-add-child-components-in-react

https://stackoverflow.com/questions/36651583/dynamically-add-child-components-in-react
    
var App = require('./App.js');
var SampleComponent = require('./SampleComponent.js');
ReactDOM.render(
    <App>
        <SampleComponent name="SomeName"/> 
    <App>, 
    document.body
);
    
var App = React.createClass({
    render: function() {
        return (
            <div>
                <h1>App main component! </h1>
                {
                    this.props.children
                }
            </div>
        );
    }
});
    
var App = React.createClass({

    getInitialState: function(){
        return [
            {id:1,name:"Some Name"}
        ]
    },

    addChild: function() {
        // State change will cause component re-render
        this.setState(this.state.concat([
            {id:2,name:"Another Name"}
        ]))
    }

    render: function() {
        return (
            <div>
                <h1>App main component! </h1>
                <button onClick={this.addChild}>Add component</button>
                {
                    this.state.map((item) => (
                        <SampleComponent key={item.id} name={item.name}/>
                    ))
                }
            </div>
        );
    }

});