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-is.md, or by sending Accept: text/markdown to https://grafana.com/docs/k6/next/javascript-api/k6-html/selection/selection-is/. 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.is(selector)
Check the current matched set of elements against a selector or element and return true if at least one of these elements matches the given arguments. Mimics jquery.is
| Parameter | Type | Description |
|---|---|---|
| selector | function | A function used as a test for each element in the set |
| selector | string | A string containing a selector expression to match elements against. |
| selector | Selection | A selection. |
Returns
| Type | Description |
|---|---|
| Selection | The filter selection. |
Example
import { parseHTML } from 'k6/html';
import { sleep } from 'k6';
export default function () {
const content = `
<dl>
<dt id="term-1">term 1</dt>
<dd>definition 1-a</dd>
<dd>definition 1-b</dd>
<dd>definition 1-c</dd>
<dd>definition 1-d</dd>
<dt id="term-2">term 2</dt>
<dd>definition 2-a</dd>
<dd>definition 2-b</dd>
<dd>definition 2-c</dd>
<dt id="term-3">term 3</dt>
<dd>definition 3-a</dd>
<dd>definition 3-b</dd>
</dl>
`;
const doc = parseHTML(content);
let result;
const els = doc.find('dl').children();
result = els.is('dd');
console.log(result);
result = els.is(function (idx, el) {
return el.text() === 'hola';
});
console.log(result);
result = els.is(els.first());
console.log(result);
sleep(1);
}Was this page helpful?
Related resources from Grafana Labs

