KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use doAddInitScript method in Playwright Internal

Best JavaScript code snippet using playwright-internal

crBrowser.js

Source:crBrowser.js

...393  async doSetHTTPCredentials(httpCredentials) {394    this._options.httpCredentials = httpCredentials;395    for (const page of this.pages()) await page._delegate.updateHttpCredentials();396  }397  async doAddInitScript(source) {398    for (const page of this.pages()) await page._delegate.addInitScript(source);399  }400  async doRemoveInitScripts() {401    for (const page of this.pages()) await page._delegate.removeInitScripts();402  }403  async doExposeBinding(binding) {404    for (const page of this.pages()) await page._delegate.exposeBinding(binding);405  }406  async doRemoveExposedBindings() {407    for (const page of this.pages()) await page._delegate.removeExposedBindings();408  }409  async doUpdateRequestInterception() {410    for (const page of this.pages()) await page._delegate.updateRequestInterception();411  }...

browserContext.js

Source:browserContext.js

...217    };218  }219  async addInitScript(script) {220    this.initScripts.push(script);221    await this.doAddInitScript(script);222  }223  async removeInitScripts() {224    this.initScripts.splice(0, this.initScripts.length);225    await this.doRemoveInitScripts();226  }227  async setRequestInterceptor(handler) {228    this._requestInterceptor = handler;229    await this.doUpdateRequestInterception();230  }231  isClosingOrClosed() {232    return this._closedStatus !== 'open';233  }234  async _deleteAllDownloads() {235    await Promise.all(Array.from(this._downloads).map(download => download.artifact.deleteOnContextClose()));...

ffBrowser.js

Source:ffBrowser.js

...325      browserContextId: this._browserContextId,326      credentials: httpCredentials || null327    });328  }329  async doAddInitScript(source) {330    await this._browser._connection.send('Browser.setInitScripts', {331      browserContextId: this._browserContextId,332      scripts: this.initScripts.map(script => ({333        script334      }))335    });336  }337  async doRemoveInitScripts() {338    await this._browser._connection.send('Browser.setInitScripts', {339      browserContextId: this._browserContextId,340      scripts: []341    });342  }343  async doExposeBinding(binding) {...

wkBrowser.js

Source:wkBrowser.js

...262  async doSetHTTPCredentials(httpCredentials) {263    this._options.httpCredentials = httpCredentials;264    for (const page of this.pages()) await page._delegate.updateHttpCredentials();265  }266  async doAddInitScript(source) {267    for (const page of this.pages()) await page._delegate._updateBootstrapScript();268  }269  async doRemoveInitScripts() {270    for (const page of this.pages()) await page._delegate._updateBootstrapScript();271  }272  async doExposeBinding(binding) {273    for (const page of this.pages()) await page._delegate.exposeBinding(binding);274  }275  async doRemoveExposedBindings() {276    for (const page of this.pages()) await page._delegate.removeExposedBindings();277  }278  async doUpdateRequestInterception() {279    for (const page of this.pages()) await page._delegate.updateRequestInterception();280  }...

Using AI Code Generation

1const playwright = require('playwright');2const { doAddInitScript } = require('playwright/lib/server/supplements/recorder/recorderSupplement');3(async () => {4  const browser = await playwright.chromium.launch();5  const context = await browser.newContext();6  await doAddInitScript(context, 'console.log("Hello")');7  const page = await context.newPage();8  await browser.close();9})();

Using AI Code Generation

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

Using AI Code Generation

1const playwright = require('playwright');2const { doAddInitScript } = require('playwright/lib/server/browserContext');3(async () => {4  const browser = await playwright['chromium'].launch();5  const context = await browser.newContext();6  await doAddInitScript(context, {7    source: 'window.__FOO = "bar";',8  });9  const page = await context.newPage();10  await page.screenshot({ path: 'example.png' });11  await browser.close();12})();13const playwright = require('playwright');14const { doAddInitScript } = require('playwright/lib/server/browserContext');15(async () => {16  const browser = await playwright['chromium'].launch();17  const context = await browser.newContext();18  await doAddInitScript(context, {19    source: 'window.__FOO = "bar";',20  });21  const page = await context.newPage();22  await page.screenshot({ path: 'example.png' });23  await browser.close();24})();25const playwright = require('playwright');26const { doAddInitScript } = require('playwright/lib/server/browserContext');27(async () => {28  const browser = await playwright['chromium'].launch();29  const context = await browser.newContext();30  await doAddInitScript(context, {31    source: 'window.__FOO = "bar";',32  });33  const page = await context.newPage();34  await page.screenshot({ path: 'example.png' });35  await browser.close();36})();37const playwright = require('playwright');38const { doAddInitScript } = require('playwright/lib/server/browserContext');39(async () => {40  const browser = await playwright['chromium'].launch();

Using AI Code Generation

1const { doAddInitScript } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement');2doAddInitScript('console.log("Hello World");');3const { doAddInitScript } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement');4doAddInitScript('console.log("Hello World");');5const { doAddInitScript } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement');6doAddInitScript('console.log("Hello World");');7const { doAddInitScript } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement');8doAddInitScript('console.log("Hello World");');9const { doAddInitScript } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement');10doAddInitScript('console.log("Hello World");');11const { doAddInitScript } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement');12doAddInitScript('console.log("Hello World");');13const { doAddInitScript } = require('playwright-core/lib/server/supplements/recorder/recorderSupplement');14doAddInitScript('console.log("Hello World");');

Using AI Code Generation

1const { doAddInitScript } = require('playwright-core/lib/server/browserContext');2doAddInitScript('console.log("Hello World")');3const { chromium } = require('playwright-core');4(async () => {5    const browser = await chromium.launch();6    const context = await browser.newContext();7    const page = await context.newPage();8    await browser.close();9})();

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch({ headless: false });4  const page = await browser.newPage();5  await page.addInitScript(() => {6    window.foo = 'bar';7  });8  await page.evaluate(() => {9    console.log(foo);10  });11  await browser.close();12})();13const puppeteer = require('puppeteer');14(async () => {15  const browser = await puppeteer.launch({headless: false});16  const page = await browser.newPage();17  await page.addScriptTag({18  });19  await page.evaluate(() => {20    console.log(foo);21  });22  await browser.close();23})();24const puppeteer = require('puppeteer');25(async () => {26  const browser = await puppeteer.launch({headless: false});27  const page = await browser.newPage();28  await page.addScriptTag({29  });30  await page.evaluate(() => {31    console.log(foo);32  });33  await browser.close();34})();35const puppeteer = require('puppeteer');36(async () => {37  const browser = await puppeteer.launch({headless: false});38  const page = await browser.newPage();39  await page.addScriptTag({40  });41  await page.evaluate(() => {42    console.log(foo);43  });44  await browser.close();45})();46const puppeteer = require('puppeteer');47(async () => {48  const browser = await puppeteer.launch({headless: false});49  const page = await browser.newPage();

Using AI Code Generation

1const { doAddInitScript } = require('playwright/lib/server/initScript');2doAddInitScript((page, context) => {3  page.on('request', (request) => {4    console.log(request.url());5  });6});7const { chromium } = require('playwright');8(async () => {9  const browser = await chromium.launch();10  const context = await browser.newContext();11  const page = await context.newPage();12  await browser.close();13})();

Using AI Code Generation

1module.exports = async function(context, commands) {2  commands.meta.setTitle('Test');3  commands.meta.setDescription('Test');4  await commands.addScript('alert("Hello World");');5};6{7  "scripts": {8  },9  "devDependencies": {10  }11}12import { Context, Commands } from 'browsertime';13module.exports = async function(context: Context, commands: Commands) {14  commands.meta.setTitle('Test');15  commands.meta.setDescription('Test');16  await commands.addScript('alert("Hello World");');17};18{19  "scripts": {20  },21  "devDependencies": {22  }23}

Using AI Code Generation

1const {chromium} = require('playwright');2const {doAddInitScript} = require('playwright/lib/server/injected/injectedScript');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await doAddInitScript(page, () => {8    console.log('This is injected script');9  });10  await browser.close();11})();

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.