Tabs 低版本兼容问题

[luocong2016]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

4.2.6

Environment

3.5

Reproduction link

https://3x.antdv.com/components/tabs-cn

Steps to reproduce

1. chrome56 打开tabs
2. ant-tabs-ink-bar ant-tabs-ink-bar-animated 元素中left 不生效
   

What is expected?

同其他版本一样 left 生效

What is actually happening?

兼容问题

[luocong2016]

[luocong2016]

x,y 获取的是NaN

[luocong2016]

// 兼容处理
const originalGetBoundingClientRect = Element.prototype.getBoundingClientRect;
Element.prototype.getBoundingClientRect = function () {
const rects = originalGetBoundingClientRect.call(this);
rects.x = rects.x || rects.left;
rects.y = rects.y || rects.top;
return rects;
}

[github-actions]

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