Best JavaScript code snippet using playwright-internal
crBrowser.js
Source:crBrowser.js  
...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 = [];418    for (const crPage of this._browser._crPages.values()) {419      if (crPage._browserContext !== this) continue;420      const dialogs = [...crPage._page._frameManager._openedDialogs].filter(dialog => dialog.type() === 'beforeunload');...browserContext.js
Source:browserContext.js  
...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()];153    this._permissions.set(resolvedOrigin, list);154    await this.doGrantPermissions(resolvedOrigin, list);155  }156  async clearPermissions() {...ffBrowser.js
Source:ffBrowser.js  
...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  }358  onClosePersistent() {}359  async doClose() {360    (0, _utils.assert)(this._browserContextId);361    await this._browser._connection.send('Browser.removeBrowserContext', {362      browserContextId: this._browserContextId363    });364    this._browser._contexts.delete(this._browserContextId);...wkBrowser.js
Source:wkBrowser.js  
...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    });287    this._browser._contexts.delete(this._browserContextId);288  }289  async cancelDownload(uuid) {...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('foo', () => 'bar');7  await page.evaluate(() => {8    window.__playwright__internal__doRemoveExposedBindings();9    console.log(window.foo());10  });11  await browser.close();12})();13    at Object.<anonymous> (/Users/username/playwright-test/test.js:13:21)14    at ExecutionContext._evaluateInternal (/Users/username/playwright-test/node_modules/playwright/lib/cjs/pw-run.js:400:19)15    at processTicksAndRejections (internal/process/task_queues.js:97:5)16    at async ExecutionContext.evaluate (/Users/username/playwright-test/node_modules/playwright/lib/cjs/pw-run.js:345:16)17    at async Object.<anonymous> (/Users/username/playwright-test/test.js:11:5)Using AI Code Generation
1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch({4  });5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.exposeBinding('foo', (source, ...args) => {8    return args[0] + args[1];9  });10  await page.evaluate(async () => {11    const result = await window.foo(5, 6);12    console.log(result);13  });14  await page.close();15  await context.close();16  await browser.close();17})();Using AI Code Generation
1const { doRemoveExposedBindings } = require('@playwright/test/lib/server/frames');2const { doAddExposedBinding } = require('@playwright/test/lib/server/frames');3const { doAddInitScript } = require('@playwright/test/lib/server/frames');4const { doRemoveInitScript } = require('@playwright/test/lib/server/frames');5const { doAddInitScript } = require('@playwright/test/lib/server/frames');6const { doRemoveInitScript } = require('@playwright/test/lib/server/frames');7const { doAddInitScript } = require('@playwright/test/lib/server/frames');8const { doRemoveInitScript } = require('@playwright/test/lib/server/frames');9const { doAddInitScript } = require('@playwright/test/lib/server/frames');10const { doRemoveInitScript } = require('@playwright/test/lib/server/frames');11const { doAddInitScript } = require('@playwright/test/lib/server/frames');12const { doRemoveInitScript } = require('@playwright/test/lib/server/frames');13const { doAddInitScript } = require('@playwright/test/lib/server/frames');14const { doRemoveInitScript } = require('@playwright/test/lib/server/frames');15const { doAddInitScript } = require('@playwright/test/lib/server/frames');16const {Using AI Code Generation
1const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');2const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');3const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');4const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');5const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');6const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');7const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');8const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');9const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');10const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');11const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');12const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');13const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');14const { doRemoveExposedBindings } = require('playwright/lib/server/chromium/crBrowser');15const { doRemoveExposedBindings }Using AI Code Generation
1const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');2doRemoveExposedBindings();3const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');4doRemoveExposedBindings();5const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');6doRemoveExposedBindings();7const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');8doRemoveExposedBindings();9const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');10doRemoveExposedBindings();11const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');12doRemoveExposedBindings();13const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');14doRemoveExposedBindings();15const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');16doRemoveExposedBindings();17const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');18doRemoveExposedBindings();19const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');20doRemoveExposedBindings();21const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');22doRemoveExposedBindings();23const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');24doRemoveExposedBindings();25const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');26doRemoveExposedBindings();27const { doRemoveExposedBindings } = require('playwright/lib/server/browserContextUsing AI Code Generation
1const { doRemoveExposedBindings } = require('playwright/lib/server/browserContext');2const browser = await chromium.launch();3const context = await browser.newContext();4await doRemoveExposedBindings(context);5await browser.close();6const browser = await chromium.launch({ exposeBinding: false });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('add', (source, ...args) => {7    return args.reduce((a, b) => a + b, 0);8  });9  const result = await page.evaluate(() => {10    return window.add(1, 2, 3);11  });12  console.log(result);13  await context.doRemoveExposedBindings();14  const result2 = await page.evaluate(() => {15    return window.add(1, 2, 3);16  });17  console.log(result2);18  await browser.close();19})();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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