---
title: "Selection.prevUntil([selector], [filter]) | Grafana k6 documentation"
description: "Get all preceding siblings of each element up to but not including the element matched by the selector."
---

> For a curated documentation index, see [llms.txt](/llms.txt). For the complete documentation index, see [llms-full.txt](/llms-full.txt).

# Selection.prevUntil(\[selector], \[filter])

Get all preceding siblings of each element up to but not including the element matched by the selector. Mimics [jquery.prevUntil](https://api.jquery.com/prevUntil/).

Expand table

| Parameter           | Type                                                                               | Description                                                |
|---------------------|------------------------------------------------------------------------------------|------------------------------------------------------------|
| selector (optional) | string \| [Selection](/docs/k6/latest/javascript-api/k6-html/selection/) \| `null` | A selector expression or object to match elements against. |
| filter (optional)   | string \| `null`                                                                   | A selector expression to filter matched elements.          |

### Returns

Expand table

| Type                                                           | Description  |
|----------------------------------------------------------------|--------------|
| [Selection](/docs/k6/latest/javascript-api/k6-html/selection/) | A Selection. |

### Example

JavaScript ![Copy code to clipboard](/media/images/icons/icon-copy-small-2.svg) Copy

```javascript
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);

  const sel = doc.find('#term-2').prevUntil('dt');
  console.log(sel.size());

  const selFilter = doc.find('#term-3').prevUntil('#term-1', 'dd');
  console.log(selFilter.size());

  sleep(1);
}
```