Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.

Documentation

allHeaders()

Open source

allHeaders()

Caution
This method has a known issue. For details, refer to #965.

An object of key value pairs made up of HTTP headers associated with the response and the ones that the browser adds (such as cookies). All header names are lower-case.

Returns

Type	Description
`Promise<Record<string, string>>`	A promise that resolves to an object of key value pairs for each header.

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 allHeaders = await res.allHeaders();
    console.log(`allHeaders: ${JSON.stringify(allHeaders)}`); // allHeaders: {"transfer-encoding":"chunked"...}
  } finally {
    await page.close();
  }
}