akiko123456 opened a new issue #16011:
URL: https://github.com/apache/echarts/issues/16011
### Version
5.0.2
### Steps to reproduce
let data = [820, 932, 901, 934, 1290, 1330, 1320]
let data2 = [820, null, null, null, null, null, null]
option = {
xAxis: {
type: 'category',
boundaryGap: false,
data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
},
yAxis: {
type: 'value'
},
series: [{
data: data2,
type:"line"
}
]
};
let index = 0;
setInterval(()=>{
index ;
if(index > data.length){
index = 0;
data2 = [null, null, null, null, null, null, null];
}
data2[index] = data[index];
option.series = [
{
data: data2,
type: 'line',
areaStyle: {},
// animationDurationUpdate:5000
}
]
myChart.setOption(option)
},1000)
### What is expected?
折线图数据更新无动画，生硬
### What is actually happening?
数据更新后折线会有画过去的动画
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