plainheart edited a comment on issue #16659:
URL: https://github.com/apache/echarts/issues/16659#issuecomment-1064006630
Don't worry. You may still use `this.heatmap_chart = echarts.init()` to
mount the echarts instance to `this`. Just please don't put it in `data` block
to avoid making echarts instance reactive.
```js
data() {
return {
// DON'T declare here!
// heatmap_chart: null
}
},
mounted() {
// Mount this echarts instance on current vue instance using `this`.
// It's a common variable and won't make the echarts instance reactive.
this.heatmap_chart = echarts.init();
},
beforeUnmount() {
// destroy echarts instance
this.heatmap_chart && this.heatmap_chart.dispose();
}
```
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