Difference between state and stateless components in react js

javascript react js 6 years, 5 months ago

//State Component <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.14.7/react.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.14.7/react-dom.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.2/browser.min.js"> </script> <title></title> </head> <body> <div class="" id="app"> <script type="text/babel"> //Creating custom components var StateComponent = React.createClass({ resetName : function(event){ this.setState({name : ''}) }, nameChanged : function(event){ this.setState({name : event.target.value}) }, getInitialState: function(){ return { name: '' } }, render: function(){ let name = this.props.name; return ( <div> <input type="text" onChange={this.nameChanged}/> <h1 style={{color:'red'}}>Hello {this.state.name}</h1> <button type="button" onClick={this.resetName}>Reset</button> </div> ) } }); //End block of Component creation ReactDOM.render(<StateComponent />, document.getElementById('app')); </script> </div> </body> </html>

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Stateless Component : A pure dumb component just process the request on the set of properties and return a component with out a state change

State Component : By the name it tells us that based on event functionality it is going to change the state

If u want to work with stateless component then try to copy the (TaskList) component code from png to StateComponent and proceed.Happy Coding :-)

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