/Javascript/React/React text input onchange

React text input onchange

class NameForm extends React.Component {
  constructor(props) {
    super(props);
    this.state = {value: ''};
    this.handleChange = this.handleChange.bind(this);
    this.handleSubmit = this.handleSubmit.bind(this);
  }

  handleChange(event) {    this.setState({value: event.target.value});  }
  handleSubmit(event) {
    alert('A name was submitted: ' + this.state.value);
    event.preventDefault();
  }

  render() {
    return (
      <form onSubmit={this.handleSubmit}>
        <label>
          Name:
          <input type="text" value={this.state.value} onChange={this.handleChange} />        </label>
        <input type="submit" value="Submit" />
      </form>
    );
  }
}

Source: reactjs.org

Handle onchange react

import React, { Component } from 'react';

import './App.css';
import Header from './Header';

class App extends Component {

  constructor(props) {
    super(props);
   this.state = {name: "Michael"}

  }
   changeTitle = (e) =>{
      this.setState({name: e.target.value});
    }

  render() {
    return (
      <div className="App">
        <Header title={this.state.name}/>
        <p className="App-intro">
          Type here to change name.
        <input type="text" onChange={this.changeTitle}/>
        </p>
      </div>
    );
  }
}

export default App;

Source: stackoverflow.com

Similar codes

0 vote196 views1 answer
Store data with props in react js
Javascript React
4 votes216 views2 answers
How to take 100% width in react native
Javascript React
5 votes192 views1 answer
Laravel react
Javascript React
0 vote187 views1 answer
How do i make a link to direct me to a new page when i click on a button in react
Javascript React
9 votes211 views3 answers
React import font awesome
Javascript React
1 vote188 views1 answer
I18n turn off suspense react
Javascript React
0 vote186 views1 answer
Timeline material ui react native
Javascript React
0 vote185 views3 answers
Create dots in carousel react js bootraps
Javascript React
0 vote250 views1 answer
React router native back button
Javascript React
0 vote199 views1 answer
Salvar no localStorage react
Javascript React