How to use polyfillBind method in Playwright Internal

Best JavaScript code snippet using playwright-internal

bind.js

Source:bind.js

...41 * @param {*} fn42 * @param {*} ctx43 * @returns44 */45function polyfillBind(fn, ctx) {46  function boundFn(a) {47    const len = arguments.length;48    return len49      ? len > 150        ? fn.apply(ctx, arguments)51        : fn.call(ctx, a)52      : fn.call(ctx);53  }54  boundFn._length = fn.length;55  return boundFn;56}57/**58 * åçèªå¸¦bindå½æ°59 * @param {*} fn...

bindCallApply.js

Source:bindCallApply.js

1Function.prototype.myCall = function(context, ...parameter) {2  if (typeof context === 'object') {3    context = context || window;4  } else {5    context = Object.create(null);6  }7  let fn = Symbol();8  context[fn] = this;9  context[fn](...parameter);10  delete context[fn];11}1213Function.prototype.myApply = function(context, parameter) {14  if (typeof context === 'object') {15    context = context || window;16  } else {17    context = Object.create(null);18  }19  let fn = Symbol();20  context[fn] = this;21  context[fn](...parameter);22  delete context[fn];23}2425Function.prototype.myBind = function (context, ...innerArgs) {26  let me = this27  return function (...finnalyArgs) {28    return me.call(context, ...innerArgs, ...finnalyArgs)29  }30}3132sayHi.myApply(person, [25, ç·]); // Abiel 25 ç·3334let person = {35  name: 'Abiel'36}37function sayHi(age, sex) {38  console.log(this.name, age, sex);39}40sayHi.myCall(person, 25, ç·); // Abiel 25 ç·414243// vue bindæå4445function polyfillBind (fn, ctx) {46  function boundFn (a) {47    var l = arguments.length;48    return l ? (l > 1 ? fn.apply(ctx, arguments) : fn.call(ctx, a)) : fn.call(ctx)49  }5051  boundFn._length = fn.length;52  return boundFn53}5455function nativeBind (fn, ctx) {56  return fn.bind(ctx)57}5859var bind = Function.prototype.bind60  ? nativeBind
...

bind-settimeout.js

Source:bind-settimeout.js

1function polyfillBind(func, target, ...params) {2  // func æ¯ä¸æ¯å½æ°3  // target å¤æ4  console.log(func)5  // æ¶éä¼ å¥çåæ°6  const args = params;7  return function () {8    return func.apply(target, args.concat(...arguments));9  }10}11function LateBloomer() {12  this.petalCount = Math.ceil(Math.random() * 12) + 1;13}14// å¨ 1 ç§éåå£°æ bloom15LateBloomer.prototype.bloom = function() {16  // setTimeout(this.declare.bind(this), 1000);17  setTimeout( polyfillBind(this.declare, this) , 1000);18};19LateBloomer.prototype.declare = function() {20  console.log('I am a beautiful flower with ' +21    this.petalCount + ' petals!');22};23var flower = new LateBloomer();...

bind-partially.js

Source:bind-partially.js

1function polyfillBind(func, target, ...params) {2  // func æ¯ä¸æ¯å½æ°3  // target å¤æ4  console.log(func)5  // æ¶éä¼ å¥çåæ°6  const args = params;7  return function () {8    return func.apply(target, args.concat(...arguments));9  }10}11function list() {12  return Array.prototype.slice.call(arguments);13}14var list1 = list(1, 2, 3); // [1, 2, 3]15// Create a function with a preset leading argument16// var leadingThirtysevenList = list.bind(null, 37);17var leadingThirtysevenList = polyfillBind(list, null, 37);18var list2 = leadingThirtysevenList();19// [37]20console.log(list2);21var list3 = leadingThirtysevenList(1, 2, 3);22console.log(list3);...

index.test.js

Source:index.test.js

...8//   // console.log(params);9//   console.log(this.name);10// }11// // æµè¯ç»å®1  éè¿12// let test1 =  polyfillBind(toBindFunc, targetObj);13// test1('test1');14// console.log(targetObj)15// console.log(targetObj.name);16// var test2 = polyfillBind(toBindFunc, targetObj, 'test2')17// test2()18// console.log(targetObj.name)19// æµè¯ç»å®2 å¸¦æåæ°20// let test2 =  polyfillBind(toBindFunc, targetObj, 'test2');21// test2();...

base_bind.js

Source:base_bind.js

1function polyfillBind(fn, ctx) {2    function boundFn(a) {3        const l = arguments.length;4        return l ?5            l > 1 ?6            fn.apply(ctx, arguments) :7            fn.call(ctx, a) :8            fn.call(ctx)9    }10    boundFn._length = fn.length11    return boundFn12}13let bind = polyfillBind;14function User() {15    this.name = 'aaaa'...

vue.ployfillBind.js

Source:vue.ployfillBind.js

1function polyfillBind(fn, ctx) {2    function boundFn(a) {3        var l = arguments.length;4        return l5            ? l > 16                ? fn.apply(ctx, arguments)7                : fn.call(ctx, a)8            : fn.call(ctx)9    }10    boundFn._length = fn.length;11    return boundFn12}13function nativeBind (fn, ctx) {14    return fn.bind(ctx)15}...

bind-func.js

Source:bind-func.js

1function polyfillBind(func, target, ...params) {2  // func æ¯ä¸æ¯å½æ°3  // target å¤æ4  console.log(func)5  // æ¶éä¼ å¥çåæ°6  const args = params;7  return function () {8    return func.apply(target, args.concat(...arguments));9  }10}11var obj = {}12function a(name) {13  this.name = name;14}15var re = polyfillBind(a, obj, 9000);16re();...

Using AI Code Generation

1const { polyfillBind } = require('playwright/lib/utils/utils');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  await page.fill('input[aria-label="Search"]', 'Playwright');7  const search = await page.$('input[value="Google Search"]');8  await polyfillBind(search, 'click', page)();9  await page.screenshot({ path: `example.png` });10  await browser.close();11})();12[MIT](

Using AI Code Generation

1const { polyfillBind } = require('playwright-core/lib/utils/utils');2const { chromium } = require('playwright-core');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const { consoleMessage } = await page.evaluateHandle(() => {8    return {9      consoleMessage: console.log.bind(console, 'hello'),10    };11  });12  await consoleMessage.jsonValue();13  await browser.close();14})();

Using AI Code Generation

1const { polyfillBind } = require('playwright/lib/internal/inspectorInstrumentation');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 polyfillBind(page);8  await page.click('text=Get started');9  await page.click('text=Docs');10  await page.click('text=API');

Using AI Code Generation

1const { polyfillBind } = require('playwright/lib/utils/utils');2const { Page } = require('playwright/lib/server/page');3const { ElementHandle } = require('playwright/lib/server/dom');4const { JSHandle } = require('playwright/lib/server/jsHandle');5const { Frame } = require('playwright/lib/server/frame');6const { assert } = require('playwright/lib/utils/utils');7const { helper } = require('playwright/lib/helper');8const { TimeoutError } = require('playwright/lib/errors');9const { EventEmitter } = require('events');10Page.prototype.polyfillBind = function () {11  polyfillBind(ElementHandle.prototype, 'waitForSelector', async function (selector, options, ...args) {12    const { state = 'visible', timeout = this._page._timeoutSettings.timeout() } = options || {};13    const info = await this._page._delegate.waitForSelectorInPage(selector, state, timeout);14    const handle = await this._adoptBackendNodeId(info.backendNodeId);15    const result = await handle.evaluate(element => !!element, ...args);16    if (result)17      return handle;18    await handle.dispose();19    throw new TimeoutError(`waiting for selector "${selector}" failed: timeout ${timeout}ms exceeded`);20  });21  polyfillBind(JSHandle.prototype, 'waitForSelector', async function (selector, options, ...args) {22    const { state = 'visible', timeout = this._context._timeoutSettings.timeout() } = options || {};23    const info = await this._context._delegate.waitForSelectorInPage(selector, state, timeout);24    const handle = await this._adoptBackendNodeId(info.backendNodeId);25    const result = await handle.evaluate(element => !!element, ...args);26    if (result)27      return handle;28    await handle.dispose();29    throw new TimeoutError(`waiting for selector "${selector}" failed: timeout ${timeout}ms exceeded`);30  });31  polyfillBind(Frame.prototype, 'waitForSelector', async function (selector, options, ...args) {32    const { state = 'visible', timeout = this._page._timeoutSettings.timeout() } = options || {};33    const info = await this._page._delegate.waitForSelectorInPage(selector, state, timeout);

Using AI Code Generation

1const { polyfillBind } = require('playwright/lib/utils/utils');2const { Page } = require('playwright/lib/server/page');3polyfillBind(Page.prototype);4const { polyfillBind } = require('playwright/lib/utils/utils');5const { Page } = require('playwright/lib/server/page');6polyfillBind(Page.prototype);7const { polyfillBind } = require('playwright/lib/utils/utils');8const { Page } = require('playwright/lib/server/page');9polyfillBind(Page.prototype);10const { polyfillBind } = require('playwright/lib/utils/utils');11const { Page } = require('playwright/lib/server/page');12polyfillBind(Page.prototype);13const { polyfillBind } = require('playwright/lib/utils/utils');14const { Page } = require('playwright/lib/server/page');15polyfillBind(Page.prototype);

Using AI Code Generation

1const { polyfillBind } = require('playwright-core/lib/utils/utils')2const { Page } = require('playwright-core/lib/server/page')3polyfillBind(Page.prototype, 'pageFunction', 3)4Page.prototype.pageFunction = async function (expression, arg, isFunction) {5    return this._delegate.pageFunction(expression, arg, isFunction)6}7polyfillBind(Page.prototype, 'exposeBinding', 2)8Page.prototype.exposeBinding = async function (name, binding) {9    return this._delegate.exposeBinding(name, binding)10}11const { chromium } = require('playwright-core');12(async () => {13    const browser = await chromium.launch({ headless: false });14    const context = await browser.newContext();15    const page = await context.newPage();16    await page.exposeBinding('myFunction', async ({ page }, arg) => {17        console.log('myFunction called with arg:', arg);18        return 'Hello from myFunction!';19    });20    const result = await page.evaluate(async () => {21        return await window.myFunction('Playwright');22    });23    console.log('myFunction returned:', result);24    await browser.close();25})();

Using AI Code Generation

1const { polyfillBind } = require('@playwright/test/lib/server/browserContext');2polyfillBind(page);3const { polyfillBind } = require('@playwright/test/lib/server/browserContext');4polyfillBind(page);5const { polyfillBind } = require('@playwright/test/lib/server/browserContext');6polyfillBind(page);7const { polyfillBind } = require('@playwright/test/lib/server/browserContext');8polyfillBind(page);9const { polyfillBind } = require('@playwright/test/lib/server/browserContext');10polyfillBind(page);11const { polyfillBind } = require('@playwright/test/lib/server/browserContext');12polyfillBind(page);13const { polyfillBind } = require('@playwright/test/lib/server/browserContext');14polyfillBind(page);15const { polyfillBind } = require('@playwright/test/lib/server/browserContext');16polyfillBind(page);

Using AI Code Generation

1const { polyfillBind } = require('playwright/lib/utils/utils');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  await page.screenshot({ path: `example.png` });7  await browser.close();8})();9#### Playwright.executablePath()10-   `PLAYWRIGHT_BROWSERS_${browserName}` environment variable11-   `browsers.${browserName}` option when launching Playwright12-   `PLAYWRIGHT_BROWSERS_${browserName}_PATH` environment variable13-   `browsers.${browserName}.path` option when launching Playwright14-   `PLAYWRIGHT_BROWSERS_${browserName}_CHANNEL` environment variable15-   `browsers.${browserName}.channel` option when launching Playwright16-   `PLAYWRIGHT_BROWSERS_${browserName}_${platform}` environment variable17-   `browsers.${browserName}.${platform}` option when launching Playwright18-   `PLAYWRIGHT_BROWSERS_${browserName}_${platform}_PATH` environment variable19-   `browsers.${browserName}.${platform}.path` option when launching Playwright20-   `PLAYWRIGHT_BROWSERS_${browserName}_${platform}_CHANNEL` environment variable21-   `browsers.${browserName}.${platform}.channel` option when launching Playwright22-   `PLAYWRIGHT_BROWSERS_${browserName}_${platform}_${arch}` environment variable23-   `browsers.${browserName}.${platform}.${arch}` option when launching Playwright24-   `PLAYWRIGHT_BROWSERS_${browserName}_${platform}_${arch}_PATH` environment variable25-   `browsers.${browserName

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.