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ReactJS by Example - Building Modern Web Applications with React

You're reading from  ReactJS by Example - Building Modern Web Applications with React

Product type Book
Published in Apr 2016
Publisher Packt
ISBN-13 9781785289644
Pages 280 pages
Edition 1st Edition
Languages
Author (1):
Vipul A M Vipul A M
Profile icon Vipul A M

Table of Contents (20) Chapters

ReactJS by Example - Building Modern Web Applications with React
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
1. Getting Started with React 2. JSX in Depth 3. Data Flow and Life Cycle Events 4. Composite Dynamic Components and Forms 5. Mixins and the DOM 6. React on the Server 7. React Addons 8. Performance of React Apps 9. React Router and Data Models 10. Animation 11. React Tools 12. Flux 13. Redux and React Index

Data flow in React


Shawn and Mark were getting ready to start working on a rainy day with a cup of coffee.

"Hey Mike, I have a question about props that we used to pass the headings and changeSet data to other components."

"Shoot!" Mike exclaimed.

"It seems to me that we are passing data to the components that are below the current component, but how can a component pass the data to the parent component?"

"Ah. In React, by default, all the data flows only in one direction: from parent component to child component. That's it."

This makes the job of the child component simple and predictable. Take props from the parent and render." Mike explained.

var RecentChangesTables = React.createClass({
  render: function(){
    return(<table className = 'table'>
             <Headings headings = {this.props.headings} />
             <Rows changeSets = {this.props.changeSets} />
           </table>);
    }
});

"Let's look at our example. The RecentChangesTables component passes the props...

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