phonegap-plugin-barcodescanner ionic cordova qrcode 插件
Cross-platform BarcodeScanner for Cordova / PhoneGap.
Follows the Cordova Plugin spec, so that it works with Plugman.
HybridApp
cordova-plugin-qrscanner
- v2/v3
https://ionicframework.com/docs/v3/native/qr-scanner/
```
ionic cordova plugin add cordova-plugin-qrscanner
npm install --save @ionic-native/qr-scanner@4
```
```
import { QRScanner, QRScan
Android 设备的远程调试入门 chrome://inspect 白屏原因及解决方法
因为devtools需要用到https://chrome-devtools-frontend.appspot.com/ 这个网站的资源，如果没有梯子，就无法打开chrome浏览器的devtools工具。
Error | Could not find plugin "proposal-numeric-separator" | Generating ES5 bundles for differential loading
```bash
npm i @babel/compat-data@7.8.0
```
>参考链接
- [https://github.com/angular/angular-cli/issues/17262](https://github.com/angular/angular-cli/issues/17262)