[Bug Report] infiniteScroll in official document is not working

[leozzyzheng]

Element UI version

2.9.1

OS/Browsers version

windows7/ chrome 74.0.3729.131

Vue version

2.6.10

Reproduction Link

https://codepen.io/anon/pen/mYQpoa

Steps to reproduce

Run the sample code in offical document site, or directly click the "Try it!" on the document site: https://element.eleme.io/#/en-US/component/infiniteScroll

What is Expected?

I could see the list and scroll down

What is actually happening?

Nothing show in screen and there is the error message in console:

"[Vue warn]: Error in directive infinite-scroll inserted hook: 'TypeError: Failed to execute 'observe' on 'MutationObserver': parameter 1 is not of type 'Node'.'

[leozzyzheng]

Any updates?

[duyngha]

Got the same issue with infinite scroll component. Anybody can help? Thanks.

[leozzyzheng]

Fixed in 2.11.0

[leozzyzheng]

See https://github.com/ElemeFE/element/pull/16698/files#diff-27caed56f87e34abfd7561c620d9bcf2R10
just lost style="overflow:auto" on ul tag, it works in 2.9.1.