# React新手入坑筆記 ## JsonRPC 1. 使用`OpenRPC Client JS`遇到`openrpc TypeError: events_1.EventEmitter is not a constructor` - 解決方法([文章來源](https://stackoverflow.com/questions/69717406/typeerror-eventemitter-is-not-a-constructor-at-new-mapboxgeocoder)): ```bash= npm i events npm i --save-dev @types/events @types/node ``` 2. JsonRPC格式 ```jsonld= { "jsonrpc": "2.0", "method": {{要调用的方法名称}}, "params": {{方法所需的参数}}, "id": {{请求的唯一标识符}} } ```