[bug report] carousel renders El carousel item according to array. After partial data of array changes, El carousel item does not switch left and right according to array order

[Jian-Yin]

Element UI version

2.13.2

OS/Browsers version

window 10 / chrome 70

Vue version

3.0.0-beta.20

Reproduction Link

https://codepen.io/jian-yin/pen/ExPLpjW?editable=true%3Dhttps%3A%2F%2Felement.eleme.cn%2F

Steps to reproduce

1、data 定义数组 list = [1,3,5,7] 2、mounted 后 this.list = [1,2,3,4]

What is Expected?

Carousel 切换顺序 1,2,3,4

What is actually happening?

Carousel 切换顺序 1,3,2,4

[element-bot]

Translation of this issue:

Element UI version

2.13.2

OS/Browsers version

window 10 / chrome 70

Vue version

3.0.0-beta.20

Reproduction Link

https://codepen.io/jian-yin/pen/ExPLpjW?editable=true%3Dhttps%3A%2F%2Felement.eleme.cn%2F

Steps to reproduce

1. Data definition array list = [1,3,5,7]

2. After mounted this.list = [1,2,3,4]

   What is Expected?

Carousel switching order 1,2,3,4

What is actually happening?

Carousel switching order 1,3,2,4

[Jian-Yin]

$children 并不保证顺序，所以 Carousel 中 items 顺序 错误 https://github.com/vuejs/vue/issues/2275

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.