一、报错情况：
![[ECharts] DEPRECATED: ‘normal‘ hierarchy in itemStyle has been removed since 4.0. All style properti,图表与地图,echarts,前端,javascript](https://imgs.yssmx.com/Uploads/2023/07/530159-1.png)
![[ECharts] DEPRECATED: ‘normal‘ hierarchy in itemStyle has been removed since 4.0. All style properti,图表与地图,echarts,前端,javascript](https://imgs.yssmx.com/Uploads/2023/07/530159-2.png)
二、原因：
从警告英文提示和网上搜了一下以及echarts官网配置项手册里一些字段没有了，已被弃用。
三、解决：
DEPRECATED: ‘normal’ hierarchy in itemStyle has been removed since 4.0.
itemStyle: {
normal: {
color: '#62B4FF'
},
},
改为：
itemStyle: {
color: '#62B4FF'
},
DEPRECATED: ‘textStyle’ hierarchy in itemStyle has been removed since 4.0.
axisLabel: {
show: true,
textStyle: {
color: '#000',
fontSize: '14'
},
},
改为：
axisLabel: {
show: true,
color: '#000',
fontSize: '14'
},
There is a chart instance already initialized on the dom.文章来源：https://www.toymoban.com/news/detail-530159.html
解决=>
1、查看是否有重名的（不要出现）
2、文章来源地址https://www.toymoban.com/news/detail-530159.html
1、方法外部全局声明echarts dom对象
var domEle;
2、方法内判断dom对象是否存在
if(domEle != null && domEle != "" && domEle != undefined){
domEle.dispose();//解决echarts dom已经加载的报错
}
3、方法内正常初始化echarts对象
domEle = echarts.init(document.getElementById("chart"));
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