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DocumentationGrafana k6JavaScript APIk6/htmlSelectionSelection.prevUntil([selector], [filter])
Open source

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.

ParameterTypeDescription
selector (optional)string | Selection | nullA selector expression or object to match elements against.
filter (optional)string | nullA selector expression to filter matched elements.

Returns

TypeDescription
SelectionA Selection.

Example

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);
}