[Bug Report] el-select could not free memory

[QMZhao]

Element UI version

2.9.1

OS/Browsers version

75.0.3770.80（正式版本） （64 位）

Vue version

2.5.2

Reproduction Link

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

Steps to reproduce

通过点击请求后台的数据渲染到el-select上(最多的数据大概有700条)，重复点击40次左右，会导致内存增加到2G左右且无法释放

What is Expected?

占用的内存得到释放

What is actually happening?

路由跳转之后占用的内存依然存在无法释放

[element-bot]

Translation of this issue:

Element UI version

2.9.1

OS/Browsers version

75.0.3770.80 (official version) (64 bits)

Vue version

2.5.2

Reproduction Link

Https://codepen.io/anon/pen/EBVMRp

Steps to reproduce

By clicking on the data in the background of the request to render to el-select (the maximum data is about 700), and repeating clicks about 40 times, the memory will increase to about 2G and can not be released.

What is Expected?

Release of occupied memory

What is actually happening?

Memory occupied after routing jumps is still unreleasable

image

[Zeus-Iqd]

@ziyoung 引入新bug了，大佬 。

[island205]

@Zeus-Iqd 什么 bug？

[zh-rocco]

@island205

和 filter-method 冲突; 使用 filter-method 动态修改 selectList 模拟拼音搜索时会导致已选中的数据展示异常, 异常原因