Elastos.NET.Carrier.Nodejs.SDK is the [Node.js Add-on](https://nodeaddons.com/) for Elastos Carrier. It allows Javascript code to call [Carrier C++](https://github.com/elastos/Elastos.NET.Carrier.Native.SDK) functions.
npm install elca
shell
npm install elastos_carrier_addon
`
Example
`javascript
const carrierSdk = require('elastos_carrier_addon');
console.log(carrierSdk.getVersion());
var carrier = carrierSdk.createObject(opts, callbacks);
carrier.on("idle", idle_callback); //add idle event
carrier.on("idle", null); //delete idle event
carrier.run();
``