// Get the content property of the ::after pseudo-element
varafterContent=window
.getComputedStyle(element,":after")
.getPropertyValue("content");
returnafterContent;
}
<style>
.root{
counter-reset:item;
}
.item:not(.bar){
counter-increment:item;
}
.item::after{
content:"["counter(item)"]";
}
</style>
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.