Menu

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

DocumentationGrafana k6JavaScript APIk6/browserJSHandleevaluateHandle(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.

ParameterTypeDefaultsDescription
pageFunctionfunction or stringFunction to be evaluated.
argstring''Optional argument to pass to pageFunction.

Returns

TypeDescription
PromiseA 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();
  }
}