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Documentation

evaluateHandle(pageFunction[, arg])

Open source

evaluateHandle(pageFunction[, arg])

Returns the value of the pageFunction invocation as a JSHandle. It passes this handle as the first argument to the pageFunction.

The only difference between evaluate and evaluateHandle is that evaluateHandle returns JSHandle.

Parameter	Type	Defaults	Description
pageFunction	function or string		Function to be evaluated.
arg	string	`''`	Optional argument to pass to `pageFunction`.

Returns

Type	Description
Promise	A `JSHandle` of the return value of `pageFunction`.

Example

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

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

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

  try {
    await page.goto('https://test.k6.io/browser.php');
    const jsHandle = await page.evaluateHandle(() => document.body);

    const obj = await jsHandle.evaluateHandle((handle) => {
      return { innerText: handle.innerText };
    });
    console.log(await obj.jsonValue()); // {"innerText":"< Back...
  } finally {
    await page.close();
  }
}