.dcss-rollup-sum
Adds up the values of the items that share a key.
Example
Result
Markup
<link rel="stylesheet" href="dcss.css">
<link rel="stylesheet" href="families/array.css">
<link rel="stylesheet" href="families/format.css">
<figure class="dcss-rollup-sum" style="--key-0: 3; --key-1: 4">
<ol>
<li style="--key: 3; --value: 120"></li>
<li style="--key: 4; --value: 95"></li>
<li style="--key: 3; --value: 30"></li>
</ol>
<output style="--key: 3">
<span class="dcss-format-fixed" style="--value: var(--dcss-sum); --precision: 0"></span></output>
</figure>
Browser support
| Browser | Support |
|---|---|
| Chrome | Yes |
| Safari | Yes |
| Firefox | Whole numbers only |
See also
d3.rollupin d3’s documentation