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並前往https://lightrun.com/answers/danbovey-react-infinite-scroller-ref-is-not-a-prop-trying-to-access-it-will-result-in-undefined-being-returned

`ref` is not a prop. Trying to access it will result in `undefined ...

You should be passing function refs instead of strings, yeah? Then there's no need to call on InfiniteScroller.props.ref . <InfiniteScroll ref={c => this.

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