Best JavaScript code snippet using playwright-internal
backend.js
Source:backend.js  
...501}502exports.getComponentInstanceFromElement = getComponentInstanceFromElement;503function getRootElementsFromComponentInstance(instance) {504    if (util_1.isFragment(instance)) {505        return getFragmentRootElements(instance.subTree);506    }507    return [instance.subTree.el];508}509exports.getRootElementsFromComponentInstance = getRootElementsFromComponentInstance;510function getFragmentRootElements(vnode) {511    if (!vnode.children)512        return [];513    const list = [];514    for (let i = 0, l = vnode.children.length; i < l; i++) {515        const childVnode = vnode.children[i];516        if (childVnode.component) {517            list.push(...getRootElementsFromComponentInstance(childVnode.component));518        }519        else if (childVnode.el) {520            list.push(childVnode.el);521        }522    }523    return list;524}...Using AI Code Generation
1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  const elements = await page.mainFrame().getFragmentRootElements();7  console.log(elements);8  await browser.close();9})();10  ElementHandle {11    _channel: ChannelOwner {12      _connection: Connection {13        _closeCallback: [Function (anonymous)],14        _closedCallback: [Function (anonymous)],15        _closePromiseFulfill: [Function (anonymous)],16        _closePromiseReject: [Function (anonymous)],17      },18    },19    _page: Page {Using AI Code Generation
1const { getFragmentRootElements } = require('playwright/lib/server/frames');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const rootElements = await getFragmentRootElements(page.mainFrame(), page);8  console.log(rootElements);9  await browser.close();10})();11[ ElementHandle {12    _context: BrowserContext {13      _timeoutSettings: TimeoutSettings {},14      _permissions: Map {},15      _origins: Map {},16      _timeoutSettings: TimeoutSettings {},17      _permissions: Map {},18      _origins: Map {},19      _timeoutSettings: TimeoutSettings {},20      _permissions: Map {},21      _origins: Map {},22      _timeoutSettings: TimeoutSettings {},23      _permissions: Map {},24      _origins: Map {},25    },26    _initializer: { 'element-6066-11e4-a52e-4f735466cecf': '2' },27    _page: Page {Using AI Code Generation
1const { getFragmentRootElements } = require('playwright/lib/server/frames');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const element = await page.$('div');8  const fragment = await page.evaluateHandle((element) => {9    return document.createRange().createContextualFragment(`<div>hello</div>`);10  }, element);11  const rootElements = await getFragmentRootElements(fragment);12  console.log(rootElements);13  await browser.close();14})();15[ ElementHandle {16    _context: BrowserContext {17    },18    _channel: Connection {19    },20    _elementChannel: ElementHandleChannel {21    },22    _initializer: { nodeId: 7 },Using AI Code Generation
1const { getFragmentRootElements } = require('playwright/lib/server/dom.js');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const rootElements = await getFragmentRootElements(page, '<h1>Playwright</h1>');8  console.log(rootElements.length);9  await browser.close();10})();Using AI Code Generation
1const { chromium } = require('playwright');2const { getFragmentRootElements } = require('playwright/lib/internal/api');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.setContent('<div>Element A</div><div>Element B</div>');8  const elements = await getFragmentRootElements(page, '<div>Element A</div><div>Element B</div>');9  console.log(elements);10  await browser.close();11})();Using AI Code Generation
1const { getFragmentRootElements } = require('playwright/lib/internal/frames');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const rootElement = await page.$('html');8  const fragmentElements = await getFragmentRootElements(rootElement, '#foo');9  const text = await fragmentElements[0].innerText();10  console.log(text);11  await browser.close();12})();Using AI Code Generation
1const { getFragmentRootElements } = require('@playwright/test/lib/test/page');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4  await page.setContent('<div><span>1</span><span>2</span></div>');5  const rootElements = await getFragmentRootElements(page, 'text=/1/');6  console.log(rootElements.length);7});8const { getFragmentRootElements } = require('@playwright/test/lib/test/page');9const { getFragmentRootElements } = require('@playwright/test/lib/test/page');10const { getFragmentRootElements } = require('@playwright/test/lib/test/page');11const { getFragmentRootElements } = require('@playwright/test/lib/test/page');12const { getFragmentRootElements } = require('@playwright/test/lib/test/page');13const { getFragmentRootElements } = require('@playwright/test/lib/test/page');Using AI Code Generation
1const { getFragmentRootElements } = require('playwright/lib/server/dom.js');2const { parseFragment } = require('playwright/lib/server/fragment.js');3const { parseHTML } = require('playwright/lib/server/dom.js');4const dom = parseHTML('<div id="test"><div class="test">Test</div><div class="test">Test</div></div>');5const fragment = parseFragment('<div class="test">Test</div><div class="test">Test</div>');6const elements = getFragmentRootElements(fragment, dom);7console.log(elements);LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.
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