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How to use stopWatchingForValueChange method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ChangeEventPlugin.js

Source:ChangeEventPlugin.js

...84    activeElementValueProp = Object.getOwnPropertyDescriptor(target.constructor.prototype, 'value');85    Object.defineProperty(activeElement, 'value', newValueProp);86    activeElement.attachEvent('onpropertychange', handlePropertyChange);87  }88  function stopWatchingForValueChange() {89    if (!activeElement) {90      return;91    }92    delete activeElement.value;93    activeElement.detachEvent('onpropertychange', handlePropertyChange);94    activeElement = null;95    activeElementID = null;96    activeElementValue = null;97    activeElementValueProp = null;98  }99  function handlePropertyChange(nativeEvent) {100    if (nativeEvent.propertyName !== 'value') {101      return;102    }103    var value = nativeEvent.srcElement.value;104    if (value === activeElementValue) {105      return;106    }107    activeElementValue = value;108    manualDispatchChangeEvent(nativeEvent);109  }110  function getTargetIDForInputEvent(topLevelType, topLevelTarget, topLevelTargetID) {111    if (topLevelType === topLevelTypes.topInput) {112      return topLevelTargetID;113    }114  }115  function handleEventsForInputEventIE(topLevelType, topLevelTarget, topLevelTargetID) {116    if (topLevelType === topLevelTypes.topFocus) {117      stopWatchingForValueChange();118      startWatchingForValueChange(topLevelTarget, topLevelTargetID);119    } else if (topLevelType === topLevelTypes.topBlur) {120      stopWatchingForValueChange();121    }122  }123  function getTargetIDForInputEventIE(topLevelType, topLevelTarget, topLevelTargetID) {124    if (topLevelType === topLevelTypes.topSelectionChange || topLevelType === topLevelTypes.topKeyUp || topLevelType === topLevelTypes.topKeyDown) {125      if (activeElement && activeElement.value !== activeElementValue) {126        activeElementValue = activeElement.value;127        return activeElementID;128      }129    }130  }131  function shouldUseClickEvent(elem) {132    return (elem.nodeName === 'INPUT' && (elem.type === 'checkbox' || elem.type === 'radio'));133  }134  function getTargetIDForClickEvent(topLevelType, topLevelTarget, topLevelTargetID) {...

7340.js

Source:7340.js

1{2  if (topLevelType === "topFocus") {3    stopWatchingForValueChange();4    startWatchingForValueChange(target, targetInst);5  } else if (topLevelType === "topBlur") {6    stopWatchingForValueChange();7  }...

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.fill('input[name="q"]', 'Playwright');7  await page.keyboard.press('Enter');8  await page.waitForNavigation();9  await page.click('text=Playwright');10  await page.waitForNavigation();11  await context.close();12  await browser.close();13})();14const { chromium } = require('playwright');15(async () => {16  const browser = await chromium.launch();17  const context = await browser.newContext();18  const page = await context.newPage();19  await page.fill('input[name="q"]', 'Playwright');20  await page.keyboard.press('Enter');21  await page.waitForNavigation();22  await page.click('text=Playwright');23  await page.waitForNavigation();24  await context.close();25  await browser.close();26})();27const { chromium } = require('playwright');28(async () => {29  const browser = await chromium.launch();30  const context = await browser.newContext();31  const page = await context.newPage();32  await page.fill('input[name="q"]', 'Playwright');33  await page.keyboard.press('Enter');34  await page.waitForNavigation();35  await page.click('text=Playwright');36  await page.waitForNavigation();37  await context.close();38  await browser.close();39})();40> TypeError: context._pageBindings.get(...).stopWatchingForValueChange is not a function41>     at Playwright._stopValueChangeWatchers (C:\Users\user\Documents\playwright\playwright\lib\server\playwright.js:75:38)42>     at BrowserContext._doSlowMo (C:\Users\user\Documents\playwright\playwright\lib\server\browserContext.js:150:28)

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  const [request] = await Promise.all([7    page.waitForRequest(request => request.url().includes('q=playwright')),8    page.click('text="Playwright"'),9  ]);10  console.log(request.url());11  await browser.close();12})();13const { chromium } = require('playwright');14(async () => {15  const browser = await chromium.launch();16  const context = await browser.newContext();17  const page = await context.newPage();18  const [request] = await Promise.all([19    page.waitForRequest(request => request.url().includes('q=playwright')),20    page.click('text="Playwright"'),21  ]);22  console.log(request.url());23  await browser.close();24})();25const { chromium } = require('playwright');26(async () => {27  const browser = await chromium.launch();28  const context = await browser.newContext();29  const page = await context.newPage();30  const [request] = await Promise.all([31    page.waitForRequest(request => request.url().includes('q=playwright')),32    page.click('text="Playwright"'),33  ]);34  console.log(request.url());35  await browser.close();36})();37const { chromium } = require('playwright');38(async () => {39  const browser = await chromium.launch();40  const context = await browser.newContext();41  const page = await context.newPage();42  const [request] = await Promise.all([43    page.waitForRequest(request => request.url().includes('q=playwright')),44    page.click('text="Playwright"'),45  ]);46  console.log(request.url());47  await browser.close();48})();49const { chromium } =

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  const elementHandle = await page.$('text=Get started');7  await page.evaluate(element => element.scrollIntoView(), elementHandle);8  await elementHandle.scrollIntoViewIfNeeded();9  await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13  const browser = await chromium.launch();14  const context = await browser.newContext();15  const page = await context.newPage();16  await page.scrollIntoViewIfNeeded('text=Get started');17  await browser.close();18})();

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.screenshot({ path: `example.png` });7  await browser.close();8})();9const { chromium } = require('playwright');10(async () => {11  const browser = await chromium.launch();12  const context = await browser.newContext();13  const page = await context.newPage();14  await page.screenshot({ path: `example.png` });15  await browser.close();16})();17const { chromium } = require('playwright');18(async () => {19  const browser = await chromium.launch();20  const context = await browser.newContext();21  const page = await context.newPage();22  await page.screenshot({ path: `example.png` });23  await browser.close();24})();25const { chromium } = require('playwright');26(async () => {27  const browser = await chromium.launch();28  const context = await browser.newContext();29  const page = await context.newPage();30  await page.screenshot({ path: `example.png` });31  await browser.close();32})();33const { chromium } = require('playwright');34(async () => {35  const browser = await chromium.launch();36  const context = await browser.newContext();37  const page = await context.newPage();38  await page.screenshot({ path: `example.png` });39  await browser.close();40})();41const { chromium } = require('playwright');42(async () => {43  const browser = await chromium.launch();44  const context = await browser.newContext();45  const page = await context.newPage();46  await page.screenshot({ path: `example.png` });

Using AI Code Generation

1const { chromium } = require('playwright');2const fs = require('fs');3(async () => {4  const browser = await chromium.launch({ headless: false });5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.screenshot({ path: 'google.png' });8  const watchDog = page._delegate._browserContext._pageDelegate._watchDog;9  watchDog.stopWatchingForValueChange();10  await browser.close();11})();12const { chromium } = require('playwright');13const fs = require('fs');14(async () => {15  const browser = await chromium.launch({ headless: false });16  const context = await browser.newContext();17  const page = await context.newPage();18  await page.screenshot({ path: 'google.png' });19  const watchDog = page._delegate._browserContext._pageDelegate._watchDog;20  watchDog.stopWatchingForValueChange();21  await browser.close();22})();23const { chromium } = require('playwright');24const fs = require('fs');25(async () => {26  const browser = await chromium.launch({ headless: false });27  const context = await browser.newContext();28  const page = await context.newPage();29  await page.screenshot({ path: 'google.png' });30  const watchDog = page._delegate._browserContext._pageDelegate._watchDog;31  watchDog.stopWatchingForValueChange();32  await browser.close();33})();34const { chromium } = require('playwright');35const fs = require('fs');36(async () => {37  const browser = await chromium.launch({ headless: false });38  const context = await browser.newContext();39  const page = await context.newPage();40  await page.screenshot({ path: 'google.png' });41  const watchDog = page._delegate._browserContext._pageDelegate._watchDog;

Using AI Code Generation

1const playwright = require('playwright');2const { stopWatchingForValueChange } = require('playwright/lib/server/supplements/recorder/recorderSupplement');3(async () => {4  const browser = await playwright.chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.fill('input[name="q"]', 'Playwright');8  await page.click('text=Google Search');9  await page.waitForSelector('text=Playwright - Google Search');10  await page.click('text=Playwright - Google Search');11  await page.waitForSelector('text=Playwright is a Node.js library to automate');12  await stopWatchingForValueChange(page);13  await page.click('text=Playwright is a Node.js library to automate');14  await page.waitForSelector('text=Playwright is a Node.js library to automate');15  await browser.close();16})();17const playwright = require('playwright');18const { stopWatchingForValueChange } = require('playwright/lib/server/supplements/recorder/recorderSupplement');19(async () => {20  const browser = await playwright.chromium.launch();21  const context = await browser.newContext();22  const page = await context.newPage();23  await page.fill('input[name="q"]', 'Playwright');24  await page.click('text=Google Search');25  await page.waitForSelector('text=Playwright - Google Search');26  await page.click('text=Playwright - Google Search');27  await page.waitForSelector('text=Playwright is a Node.js library to automate');28  await stopWatchingForValueChange(page);29  await page.click('text=Playwright is a Node.js library to automate');30  await page.waitForSelector('text=Playwright is a Node.js library to automate');31  await browser.close();32})();

Using AI Code Generation

1const {chromium} = require('playwright');2const path = require('path');3(async () => {4  const browser = await chromium.launch({5      '--disable-extensions-except=' + path.join(__dirname, 'extension'),6      '--load-extension=' + path.join(__dirname, 'extension'),7  });8  const page = await browser.newPage();9  await page.waitForTimeout(5000);10  await browser.close();11})();12chrome.runtime.onMessage.addListener(function(message, sender, sendResponse) {13  if (message.type === 'stop-watching') {14    chrome.storage.onChanged.removeListener(onChanged);15  }16});17chrome.storage.onChanged.addListener(onChanged);18function onChanged(changes, namespace) {19  console.log('storage changed', changes, namespace);20}21{22  "background": {23  }24}

Using AI Code Generation

1const {chromium, devices, webkit, firefox, BrowserType} = require('playwright');2const browser = await chromium.launch();3const context = await browser.newContext();4const page = await context.newPage();5const elementHandle = await page.$('div');6await elementHandle.evaluate(element => element.textContent);7await elementHandle.stopWatchingForValueChange();8const {chromium, devices, webkit, firefox, BrowserType} = require('playwright');9JavaScript (Node.js)10JavaScript (Node.js)11JavaScript (Node.js)12JavaScript (Node.js)13JavaScript (Node.js)14JavaScript (Node.js)15JavaScript (Node.js)16JavaScript (Node.js)

Using AI Code Generation

1const {chromium} = require('playwright');2const {helper, debugLogger} = require('playwright/lib/utils/utils');3const {createTestState} = require('playwright/lib/server/browserContext');4const {createBrowserContext} = require('playwright/lib/server/chromium');5const {createPage} = require('playwright/lib/server/page');6(async () => {7  const browser = await chromium.launch();8  const context = await browser.newContext();9  const page = await context.newPage();10  await page.click('text=Docs');11  await page.waitForLoadState();12  await page.click('text=API');13  await page.waitForLoadState();14  await page.click('text=Page');15  await page.waitForLoadState();16  await page.click('text=class: Page');17  await page.waitForLoadState();18  const elementHandle = await page.$('text=Page');19  const {value} = await elementHandle.innerText();20  await browser.close();21})();22const helper = {23  stopWatchingForValueChange: (watcher) => {24    watcher.stop();25  },26};27const createTestState = () => {28  const testState = {29    stopWatchingForValueChange: (watcher) => {30      helper.stopWatchingForValueChange(watcher);31    },32  };33  return testState;34};35const createBrowserContext = async (browser, options) => {36  const context = {37    stopWatchingForValueChange: (watcher) => {38      testState.stopWatchingForValueChange(watcher);39    },40  };41  return context;42};43const createPage = async (browserContext, pageOrError) => {44  const page = {45    stopWatchingForValueChange: (watcher) => {46      browserContext.stopWatchingForValueChange(watcher);47    },48  };49  return page;50};51const crPage = {52  stopWatchingForValueChange: (watcher) => {53    this._page.stopWatchingForValueChange(watcher);54  },55};

Playwright tutorial

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.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.