setState

import React from 'react';  
import { View, TextInput } from "react-native";

class App extends React.Component {  
  constructor(props){  
    super(props);  
    this.state = {  
         name: "" 
      }  
    this.handleChange = this.handleChange.bind(this);  
  }
  handleChange(text){
    this.setState({ name: text })
    console.log(this.props);  
  }  
  render() {  
    return (  
    <View>
      <TextInput 
      	value={this.state.name} 
  		onChangeText={(text) =>this.handleChange(text)}
      />
    </View>  
  }  
}  
export default App;

View another examples Add Own solution

4.43

Waverider 110 points

                                    INITIALIZATION= setup props and state 
MOUNTING= constructor-&gt;componentWillMount-&gt;render-&gt;componentDidMount//Birth
UPDATE= shouldComponentUpdate-&gt;componentWillUpdate-&gt;render
  		-&gt;componentDidUpdate //Growth
UNMOUNTING= componentWillUnmount //Death

Thank you! 7

4.43 (7 Votes)

Riptiki 100 points

                                    @protected
void setState(VoidCallback fn) {
  if (_scopeKey.currentState != null) {
    _scopeKey.currentState!._routeSetState(fn);
  } else {
    // The route isn't currently visible, so we don't have to call its setState
    // method, but we do still need to call the fn callback, otherwise the state
    // in the route won't be updated!
    fn();
  }
}

Thank you! 3

4 (3 Votes)

N0nChun 115 points

                                    class App extends React.Component {

state = { count: 0 }

handleIncrement = () =&gt; {
  this.setState({ count: this.state.count + 1 })
}

handleDecrement = () =&gt; {
  this.setState({ count: this.state.count - 1 })
}
  render() {
    return (
      &lt;div&gt;
        &lt;div&gt;
          {this.state.count}
        &lt;/div&gt;
        &lt;button onClick={this.handleIncrement}&gt;Increment by 1&lt;/button&gt;
        &lt;button onClick={this.handleDecrement}&gt;Decrement by 1&lt;/button&gt;
      &lt;/div&gt;
    )
  }
}

Thank you! 1

4 (1 Votes)

4.13

Sebastian Schoennenbeck 90 points

                                    class Clock extends React.Component {
  constructor(props) {
    super(props);
    this.state = {date: new Date()};
  }

  componentDidMount() {  }
  componentWillUnmount() {  }
  render() {
    return (
      &lt;div&gt;
        &lt;h1&gt;Hello, world!&lt;/h1&gt;
        &lt;h2&gt;It is {this.state.date.toLocaleTimeString()}.&lt;/h2&gt;
      &lt;/div&gt;
    );
  }
}

Thank you! 8

4.13 (8 Votes)

4.5

Bruno Lima 65 points

                                    class Example extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      count: 0
    };
  }

  render() {
    return (
      &lt;div&gt;
        &lt;p&gt;You clicked {this.state.count} times&lt;/p&gt;
        &lt;button onClick={() =&gt; this.setState({ count: this.state.count + 1 })}&gt;
          Click me
        &lt;/button&gt;
      &lt;/div&gt;
    );
  }
}

Thank you! 32

4.5 (6 Votes)

Are there any code examples left?

Find Add Code snippet

New code examples in category Other

Other 2023-03-27 22:50:10 how to select the whole line in vscode with keyboard shortcut
Other 2022-03-27 22:45:24 income of a web developer
Other 2022-03-27 22:35:01 \pyrcc_main.py: File does not exist 'resources.qrc'
Other 2022-03-27 22:30:45 rick roll embed code
Other 2022-03-27 22:20:08 Circuit_04_Potentiometer
Other 2022-03-27 22:20:05 iterative power
Other 2022-03-27 22:15:11 flutter run all
Other 2022-03-27 22:10:05 when is karlson release
Other 2022-03-27 22:10:02 wp .htaccess example
Other 2022-03-27 22:00:08 bash pause in file read line by line

Create a Free Account

Unlock the power of data and AI by diving into Python, ChatGPT, SQL, Power BI, and beyond.

Develop soft skills on BrainApps

Complete the IQ Test

Relative searches

setState

Welcome Back!

Create a Free Account