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

DocumentationGrafana k6JavaScript APIk6/browserRequestallHeaders()
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 request and the ones that the browser adds (such as cookies). All header names are lower-case.

Returns

TypeDescription
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 req = res.request();

    const allHeaders = await req.allHeaders();
    console.log(`allHeaders: ${JSON.stringify(allHeaders)}`); // allHeaders: {"user-agent":"Mozilla/5.0...}
  } finally {
    await page.close();
  }
}