Best JavaScript code snippet using playwright-internal
crBrowser.js
Source:crBrowser.js
...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 }412 async doClose() {413 (0, _utils.assert)(this._browserContextId); // Headful chrome cannot dispose browser context with opened 'beforeunload'414 // dialogs, so we should close all that are currently opened.415 // We also won't get new ones since `Target.disposeBrowserContext` does not trigger416 // beforeunload.417 const openedBeforeUnloadDialogs = [];...
browserContext.js
Source:browserContext.js
...134 if (page.getBinding(name)) throw new Error(`Function "${name}" has been already registered in one of the pages`);135 }136 const binding = new _page.PageBinding(name, playwrightBinding, needsHandle);137 this._pageBindings.set(name, binding);138 await this.doExposeBinding(binding);139 }140 async removeExposedBindings() {141 this._pageBindings.clear();142 await this.doRemoveExposedBindings();143 }144 async grantPermissions(permissions, origin) {145 let resolvedOrigin = '*';146 if (origin) {147 const url = new URL(origin);148 resolvedOrigin = url.origin;149 }150 const existing = new Set(this._permissions.get(resolvedOrigin) || []);151 permissions.forEach(p => existing.add(p));152 const list = [...existing.values()];...
ffBrowser.js
Source:ffBrowser.js
...339 browserContextId: this._browserContextId,340 scripts: []341 });342 }343 async doExposeBinding(binding) {344 await this._browser._connection.send('Browser.addBinding', {345 browserContextId: this._browserContextId,346 name: binding.name,347 script: binding.source348 });349 }350 async doRemoveExposedBindings() {// TODO: implement me.351 }352 async doUpdateRequestInterception() {353 await this._browser._connection.send('Browser.setRequestInterception', {354 browserContextId: this._browserContextId,355 enabled: !!this._requestInterceptor356 });357 }...
wkBrowser.js
Source:wkBrowser.js
...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 }281 onClosePersistent() {}282 async doClose() {283 (0, _utils.assert)(this._browserContextId);284 await this._browser._browserSession.send('Playwright.deleteContext', {285 browserContextId: this._browserContextId286 });...
Using AI Code Generation
1const playwright = require('playwright');2(async () => {3 for (const browserType of ['chromium', 'firefox', 'webkit']) {4 const browser = await playwright[browserType].launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.exposeBinding('myBinding', (source, ...args) => {8 return {source, args};9 });10 const result = await page.evaluate(async ({name}) => {11 return await window.myBinding('test', {name});12 }, {name: 'John Doe'});13 console.log(result);14 await browser.close();15 }16})();
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.exposeBinding('log', (source, ...args) => {7 console.log('log called with', ...args);8 });9 await page.evaluate(() => {10 window.log('hello', 'world');11 });12 await browser.close();13})();
Using AI Code Generation
1const { doExposeBinding } = 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 await doExposeBinding(page.mainFrame(), 'myBinding', (source, ...args) => {8 console.log('myBinding called', source, args);9 });10 await page.evaluate(() => {11 window['myBinding']('fromEvaluate', 1, 2, 3);12 });13 await browser.close();14})();15import { doExposeBinding } from 'playwright/lib/server/frames';16import { chromium } from 'playwright';17(async () => {18 const browser = await chromium.launch();19 const context = await browser.newContext();20 const page = await context.newPage();21 await doExposeBinding(page.mainFrame(), 'myBinding', (source, ...args) => {22 console.log('myBinding called', source, args);23 });24 await page.evaluate(() => {25 window['myBinding']('fromEvaluate', 1, 2, 3);26 });27 await browser.close();28})();29const { doExposeBinding } = require('playwright/lib/server/frames');30const { chromium } = require('playwright');31(async () => {32 const browser = await chromium.launch();33 const context = await browser.newContext();34 const page = await context.newPage();35 await doExposeBinding(page.mainFrame(), 'myBinding', (source, ...args) => {36 console.log('myBinding called', source, args);37 });38 await page.evaluate(() => {39 window['myBinding']('fromEvaluate', 1, 2, 3);40 });41 await browser.close();42})();
Using AI Code Generation
1const playwright = require('playwright');2const { doExposeBinding } = require('playwright/lib/server/browserContext');3const browser = await playwright.chromium.launch();4const context = await browser.newContext();5const page = await context.newPage();6await doExposeBinding(page, 'myBinding', (source, ...args) => {7 console.log('myBinding called with', ...args);8});9await page.evaluate(async () => {10 await window['myBinding']('arg1', 'arg2');11});12await browser.close();
Using AI Code Generation
1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch();4 const page = await browser.newPage();5 const context = page.context();6 context._doExposeBinding('myBinding', (source, ...args) => {7 console.log('myBinding called from:', source);8 console.log('myBinding arguments:', args);9 return 'myBinding return value';10 });11 await page.exposeFunction('myFunction', (source, ...args) => {12 console.log('myFunction called from:', source);13 console.log('myFunction arguments:', args);14 return 'myFunction return value';15 });16 await page.evaluate(async () => {17 const myBinding = await window['myBinding'];18 console.log('myBinding result:', myBinding('myBinding argument'));19 const myFunction = await window['myFunction'];20 console.log('myFunction result:', myFunction('myFunction argument'));21 });22 await browser.close();23})();
Using AI Code Generation
1const { doExposeBinding } = require('playwright/lib/server/browserContext');2const { Page } = require('playwright/lib/server/page');3const { JSHandle } = require('playwright/lib/server/jsHandle');4const { ElementHandle } = require('playwright/lib/server/elementHandler');5const { Frame } = require('playwright/lib/server/frame');6doExposeBinding(Page.prototype);7doExposeBinding(JSHandle.prototype);8doExposeBinding(ElementHandle.prototype);9doExposeBinding(Frame.prototype);10const { doExposeBinding } = require('playwright/lib/server/browserContext');11const { Page } = require('playwright/lib/server/page');12const { JSHandle } = require('playwright/lib/server/jsHandle');13const { ElementHandle } = require('playwright/lib/server/elementHandler');14const { Frame } = require('playwright/lib/server/frame');15doExposeBinding(Page.prototype);16doExposeBinding(JSHandle.prototype);17doExposeBinding(ElementHandle.prototype);18doExposeBinding(Frame.prototype);19const { doExposeBinding } = require('playwright/lib/server/browserContext');20const { Page } = require('playwright/lib/server/page');21const { JSHandle } = require('playwright/lib/server/jsHandle');22const { ElementHandle } = require('playwright/lib/server/elementHandler');23const { Frame } = require('playwright/lib/server/frame');24doExposeBinding(Page.prototype);25doExposeBinding(JSHandle.prototype);26doExposeBinding(ElementHandle.prototype);27doExposeBinding(Frame.prototype);28const { doExposeBinding } = require('playwright/lib/server/browserContext');29const { Page } = require('playwright/lib/server/page');30const { JSHandle } = require('playwright/lib/server/jsHandle');31const { ElementHandle } = require('playwright/lib/server/elementHandler');32const { Frame } = require('playwright/lib/server/frame');33doExposeBinding(Page.prototype);34doExposeBinding(JSHandle.prototype);35doExposeBinding(ElementHandle.prototype);36doExposeBinding(Frame.prototype);
Using AI Code Generation
1const { doExposeBinding } = require('playwright/lib/internal/evaluators/JavaScriptEnvironment');2const { Page } = require('playwright/lib/server/page');3const { Frame } = require('playwright/lib/server/frame');4const { JSHandle } = require('playwright/lib/server/jsHandle');5doExposeBinding(Page.prototype, 'pageBinding', true);6doExposeBinding(Frame.prototype, 'frameBinding', true);7doExposeBinding(JSHandle.prototype, 'handleBinding', false);8const { chromium } = require('playwright');9(async () => {10 const browser = await chromium.launch();11 const context = await browser.newContext();12 const page = await context.newPage();13 await page.exposeBinding('pageBinding', async (source, ...args) => {14 console.log('pageBinding', source, args);15 });16 await page.exposeBinding('frameBinding', async (source, ...args) => {17 console.log('frameBinding', source, args);18 });19 await page.exposeBinding('handleBinding', async (source, ...args) => {20 console.log('handleBinding', source, args);21 });22 await page.evaluate(() => {23 window.pageBinding('fromEvaluate', 1, 2, 3);24 window.frameBinding('fromEvaluate', 1, 2, 3);25 window.handleBinding('fromEvaluate', 1, 2, 3);26 });27 await browser.close();28})();29const { chromium } = require('playwright');30(async () => {31 const browser = await chromium.launch();32 const context = await browser.newContext();33 const page = await context.newPage();34 await page.exposeBinding('pageBinding', async (source, ...args) => {35 console.log('pageBinding', source, args);36 });37 await page.exposeBinding('frameBinding', async (source, ...args) => {38 console.log('frameBinding', source, args);39 });40 await page.exposeBinding('handleBinding', async (source, ...args) => {41 console.log('handleBinding', source, args);42 });
Using AI Code Generation
1const { doExposeBinding } = require('playwright-core/lib/server/browserContext');2const { BrowserContext } = require('playwright-core/lib/server/browserContext');3const { Page } = require('playwright-core/lib/server/page');4const { JSHandle } = require('playwright-core/lib/server/jsHandle');5const { ElementHandle } = require('playwright-core/lib/server/elementHandler');6const { Frame } = require('playwright-core/lib/server/frames');7const { BindingCall } = require('playwright-core/lib/server/injected/injectedScript');8const { ExecutionContext } = require('playwright-core/lib/server/injected/injectedScript');9const { evaluateHandle } = require('playwright-core/lib/server/injected/injectedScript');10const { evaluate } = require('playwright-core/lib/server/injected/injectedScript');11const { serializeResult } = require('playwright-core/lib/server/injected/injectedScript');12const { serializeError } = require('playwright-core/lib/server/injected/injectedScript');13const { serializeValue } = require('playwright-core/lib/server/injected/injectedScript');14const { parseValue } = require('playwright-core/lib/server/injected/injectedScript');15const { releaseObject } = require('playwright-core/lib/server/injected/injectedScript');16const { createHandle } = require('playwright-core/lib/server/injected/injectedScript');17const { createJSHandle } = require('playwright-core/lib/server/injected/injectedScript');18const { createHandleFromElement } = require('playwright-core/lib/server/injected/injectedScript');19const { createHandleFromFrame } = require('play
Using AI Code Generation
1const { doExposeBinding } = require('playwright/lib/server/chromium/crPage');2doExposeBinding(page, 'exposedBinding', (source, ...args) => {3 console.log('exposedBinding', source, args);4});5page.exposeBinding('exposedBinding', (source, ...args) => {6 console.log('exposedBinding', source, args);7});8const { doAddInitScript } = require('playwright/lib/server/chromium/crPage');9doAddInitScript(page, 'console.log("doAddInitScript")');10const { doAddInitScript } = require('playwright/lib/server/chromium/crPage');11doAddInitScript(page, 'console.log("doAddInitScript")');12page.evaluate(() => {13 window.addEventListener('message', (event) => {14 console.log('window.addEventListener', event);15 });16 window.postMessage('hello', '*');17});18const { doAddInitScript } = require('playwright/lib/server/chromium/crPage');19doAddInitScript(page, 'console.log("doAddInitScript")');20const { doAddInitScript } = require('playwright/lib/server/chromium/crPage');21doAddInitScript(page, 'console.log("doAddInitScript")');22page.evaluate(() => {23 window.addEventListener('message', (event) => {24 console.log('window.addEventListener', event);25 });26 window.postMessage('hello', '*');27});28const { doAddInitScript } = require('playwright/lib/server/chromium/crPage');29doAddInitScript(page, 'console.log("doAddInitScript")');30const { doAddInitScript } = require('playwright/lib/server/chromium/crPage');31doAddInitScript(page, 'console.log("doAddInitScript")');32page.evaluate(() => {33 window.addEventListener('message', (event) => {34 console.log('window.addEventListener', event);35 });
Using AI Code Generation
1const { chromium } = require('playwright');2const { doExposeBinding } = require('playwright/lib/server/browserContext');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 doExposeBinding(context, 'add', (source, ...args) => {7 return args.reduce((a, b) => a + b, 0);8 });9 const page = await context.newPage();10 const result = await page.evaluate(() => {11 return add(5, 6);12 });13 console.log(result);14 await browser.close();15})();16from playwright.sync_api import sync_playwright17with sync_playwright() as p:18 browser = p.chromium.launch()19 context = browser.new_context()20 page = context.new_page()21 result = page.evaluate("() => add(5, 6)")22 print(result)23 browser.close()24import { chromium } from 'playwright';25(async () => {26 const browser = await chromium.launch();27 const context = await browser.newContext();28 const page = await context.newPage();29 const result = await page.evaluate(() => {30 return add(5, 6);31 });32 console.log(result);33 await browser.close();34})();35const { chromium } = require('playwright');36const { doExposeBinding } = require('playwright/lib/server/browserContext');37(async () => {38 const browser = await chromium.launch();39 const context = await browser.newContext();
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.
Get 100 minutes of automation test minutes FREE!!