React 多副本问题

Element ref was specified as a string (MySider) but no owner was set. This could happen for one of the following reasons: 1. You may be adding a ref to a function component 2. You may be adding a ref to a component that was not created inside a component’

 

React 多个副本

https://github.com/reactjs/reactjs.org/blob/master/content/warnings/refs-must-have-owner.md

If you are using npm... npm ls or npm ls react might help illuminate.

转载于:https://www.cnblogs.com/yyxh/p/10302260.html