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This is documentation for the next version of K6. For the latest stable release, go to the latest version.

Open source

headerValue(name)

Returns the value of the header matching the name. The name is case insensitive.

ParameterTypeDescription
namestringHeader name to retrieve values for.

Returns

TypeDescription
Promise<string | null>A promise that resolves to the value of the header matching the name, otherwise null.

Example

JavaScript
import { browser } from 'k6/browser';

export const options = {
  scenarios: {
    ui: {
      executor: 'shared-iterations',
      options: {
        browser: {
          type: 'chromium',
        },
      },
    },
  },
};

export default async function () {
  const page = await browser.newPage();

  try {
    const res = await page.goto('https://test.k6.io/');

    const headerValue = await res.headerValue('connection');
    console.log(`headerValue: ${headerValue}`); // headerValue: keep-alive
  } finally {
    await page.close();
  }
}