Documentation for automated readers
A curated documentation index is available at: https://grafana.com/llms.txt
A complete documentation index is available at: https://grafana.com/llms-full.txt
These indexes can help with page discovery before fetching individual documents.
This page is also available in Markdown, which may be easier for automated readers and AI tools to parse than HTML. The Markdown version is available at https://grafana.com/docs/k6/next/javascript-api/k6-html/selection/selection-closest.md, or by sending Accept: text/markdown to https://grafana.com/docs/k6/next/javascript-api/k6-html/selection/selection-closest/. For broader documentation discovery, the curated index is available at https://grafana.com/llms.txt and the complete index is available at https://grafana.com/llms-full.txt.
This is documentation for the next version of Grafana k6 documentation. For the latest stable release, go to the latest version.
Selection.closest(selector)
For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree. Mimics jquery.closest
| Parameter | Type | Description |
|---|---|---|
| selector | string | A string containing a selector expression to match elements against |
Returns
| Type | Description |
|---|---|
| Selection | Selection. |
Example
import { parseHTML } from 'k6/html';
import { sleep } from 'k6';
export default function () {
const content = `
<ul id="one" class="level-1">
<li class="item-i">I</li>
<li id="ii" class="item-ii">II
<ul class="level-2">
<li class="item-a">A</li>
<li class="item-b">B
<ul class="level-3">
<li class="item-1">1</li>
<li class="item-2">2</li>
<li class="item-3">3</li>
</ul>
</li>
<li class="item-c">C</li>
</ul>
</li>
<li class="item-iii">III</li>
</ul>
`;
const doc = parseHTML(content);
const sel = doc.find('li.item-a').closest('ul');
console.log(sel.attr('class'));
sleep(1);
}Was this page helpful?
Related resources from Grafana Labs

