fontSize中rem/em的设置失效

[paradox010]

Version

4.9.0

Steps to reproduce

以前版本我记得是可以的，直接在官网示例中测的时候发现rem/em都会渲染成12px

What is expected?

5.0.0版本解决了这个问题吗

What is actually happening?

rem/em渲染失效

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[susiwen8]

Yes, 5.0 supports rem and em, you can try it now.

[luozejian]

Yes, 5.0 supports rem and em, you can try it now.
Will the 'vw' be supported ?
可以支持vw单位吗

[susiwen8]

目前不支持，字体大小是由 zrender 控制，要加也挺好加，可以去 zrender 提 PR
@luozejian

[little-sean]

Yes, 5.0 supports rem and em, you can try it now.

IE 11 not support rem

[kainchow]

Yes, 5.0 supports rem and em, you can try it now.

图例的itemWidth、itemHeight、itemGap这些还是不支持rem呢