constructor react

constructor(props) {
  super(props);
  // Don't call this.setState() here!
  this.state = { counter: 0 };
  this.handleClick = this.handleClick.bind(this);
}

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Himanshu Pandey 105 points

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

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

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4.3

11

Shalom 85 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;
    );
  }
}

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4.3 (10 Votes)

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3.5

2

Tracey Frank 65 points

                                    componentDidMount()

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3.5 (2 Votes)

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9

Zolly Claman 90 points

                                    shouldComponentUpdate(nextProps, nextState) {
  return true;
}

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6

Robin pilot 125 points

                                    class Welcome extends React.Component {
  render() {
    return &lt;h1&gt;Hello, {this.props.name}&lt;/h1&gt;;
  }
}

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