masq6r opened a new issue, #17919:
URL: https://github.com/apache/echarts/issues/17919
### What problem does this feature solve?
Hopefully the axis range could be known when it's changed.
I have y-axis `scale` set to `true`, and enabled `datazoom`. When I zoom or
pan the chart, clearly the y-axis's range changes too. Now I need to know the
new range.
I tried to listen to `datazoom` event but it doesn't look like any
properties in the option could give me the values.
`chart.on("datazoom", params => console.log(chart.getOption().yAxis[0]))`
From the output I cannot see any information showing the y-axis range. Is
there a way I can get it?
### What does the proposed API look like?
Add a range property in the yAxis option:
```
yAxis: {
range: number[]
}
```
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