The tree component's bug

[y2hlbg]

Element UI version

2.5.4

OS/Browsers version

chrome 版本 74.0.3702.0（正式版本）canary （64 位）

Vue version

2.6.6

Reproduction Link

https://jsfiddle.net/np84ru15/1/

Steps to reproduce

1、check the node
2、expand the node
3、the node which we clicked has been not checked ( All of this things is just has been appeared at the first time , It may be because of lazy loading )

What is Expected?

1、check the node
2、expand the node
3、the node which we clicked is also has been checked

What is actually happening?

the node which we clicked has been not checked

[element-bot]

Translation of this issue:

Element UI version

2.5.4

OS/Browsers version

Chrome version 74.0.3702.0 (official version) Canary (64 bits)

Vue version

2.6.6

Reproduction Link

https://jsfiddle.net/np84ru15/1/

Steps to reproduce

1. Check the node

2. Expand the node

3. The node which we clicked has not been checked.

What is Expected?

1. Check the node

2. Expand the node

3. The node which we clicked is also checked

What is actually happening?

The node which we clicked has been not checked

[zsp00]

Which engineer can quickly fix this problem, anxious, thanks

[ziyoung]

更新一下例子https://jsfiddle.net/60v412zt/ 例子中的 Math.random 太迷惑人了。😰

[ziyoung]

pr #13349 导致的。

[y2hlbg]

pr #13349 导致的。

thanks~~