Onchange विधि में प्रतिक्रिया
कोड उदाहरण
प्रतिक्रिया पाठ इनपुट 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>
);
}
}संभाल onchange प्रतिक्रिया
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;इसी तरह के पन्ने
उदाहरणों के साथ समान पृष्ठ
अन्य भाषाओं में
यह पृष्ठ अन्य भाषाओं में है
empty row
Русский
..................................................................................................................
English
..................................................................................................................
Italiano
..................................................................................................................
Polski
..................................................................................................................
Română
..................................................................................................................
한국어
..................................................................................................................
Français
..................................................................................................................
Türk
..................................................................................................................
Česk
..................................................................................................................
Português
..................................................................................................................
ไทย
..................................................................................................................
中文
..................................................................................................................
Español
..................................................................................................................
Slovenský
..................................................................................................................
Балгарскі
..................................................................................................................
Íslensk
..................................................................................................................
इस श्रेणी में लोकप्रिय
श्रेणी में उदाहरण के साथ लोकप्रिय पृष्ठों
empty row