html5 react qr code scanner code example
Example: qr reader react js
import React, { Component } from 'react'import QrReader from 'react-qr-reader' class Test extends Component { state = { result: 'No result' } handleScan = data => { if (data) { this.setState({ result: data }) } } handleError = err => { console.error(err) } render() { return ( <div> <QrReader delay={300} onError={this.handleError} onScan={this.handleScan} style={{ width: '100%' }} /> <p>{this.state.result}</p> </div> ) }}