How to use Worker method of Microsoft.Playwright.Core.Worker class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.Worker.Worker

Connection.cs

Source:Connection.cs Github

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...273 break;274 case ChannelOwnerType.Route:275 result = new Route(parent, guid, initializer?.ToObject<RouteInitializer>(DefaultJsonSerializerOptions));276 break;277 case ChannelOwnerType.Worker:278 result = new Worker(parent, guid, initializer?.ToObject<WorkerInitializer>(DefaultJsonSerializerOptions));279 break;280 case ChannelOwnerType.WebSocket:281 result = new WebSocket(parent, guid, initializer?.ToObject<WebSocketInitializer>(DefaultJsonSerializerOptions));282 break;283 case ChannelOwnerType.Selectors:284 result = new Selectors(parent, guid);285 break;286 case ChannelOwnerType.SocksSupport:287 result = new SocksSupport(parent, guid);288 break;289 case ChannelOwnerType.Stream:290 result = new Stream(parent, guid);291 break;292 case ChannelOwnerType.WritableStream:...

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BrowserContextChannel.cs

Source:BrowserContextChannel.cs Github

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...38 }39 internal event EventHandler Close;40 internal event EventHandler<BrowserContextPageEventArgs> Page;41 internal event EventHandler<BrowserContextPageEventArgs> BackgroundPage;42 internal event EventHandler<WorkerChannelEventArgs> ServiceWorker;43 internal event EventHandler<BindingCallEventArgs> BindingCall;44 internal event EventHandler<RouteEventArgs> Route;45 internal event EventHandler<BrowserContextChannelRequestEventArgs> Request;46 internal event EventHandler<BrowserContextChannelRequestEventArgs> RequestFinished;47 internal event EventHandler<BrowserContextChannelRequestEventArgs> RequestFailed;48 internal event EventHandler<BrowserContextChannelResponseEventArgs> Response;49 internal override void OnMessage(string method, JsonElement? serverParams)50 {51 switch (method)52 {53 case "close":54 Close?.Invoke(this, EventArgs.Empty);55 break;56 case "bindingCall":57 BindingCall?.Invoke(58 this,59 new() { BindingCall = serverParams?.GetProperty("binding").ToObject<BindingCallChannel>(Connection.DefaultJsonSerializerOptions).Object });60 break;61 case "route":62 var route = serverParams?.GetProperty("route").ToObject<RouteChannel>(Connection.DefaultJsonSerializerOptions).Object;63 var request = serverParams?.GetProperty("request").ToObject<RequestChannel>(Connection.DefaultJsonSerializerOptions).Object;64 Route?.Invoke(65 this,66 new() { Route = route, Request = request });67 break;68 case "page":69 Page?.Invoke(70 this,71 new() { PageChannel = serverParams?.GetProperty("page").ToObject<PageChannel>(Connection.DefaultJsonSerializerOptions) });72 break;73 case "crBackgroundPage":74 BackgroundPage?.Invoke(75 this,76 new() { PageChannel = serverParams?.GetProperty("page").ToObject<PageChannel>(Connection.DefaultJsonSerializerOptions) });77 break;78 case "crServiceWorker":79 ServiceWorker?.Invoke(80 this,81 new() { WorkerChannel = serverParams?.GetProperty("worker").ToObject<WorkerChannel>(Connection.DefaultJsonSerializerOptions) });82 break;83 case "request":84 Request?.Invoke(this, serverParams?.ToObject<BrowserContextChannelRequestEventArgs>(Connection.DefaultJsonSerializerOptions));85 break;86 case "requestFinished":87 RequestFinished?.Invoke(this, serverParams?.ToObject<BrowserContextChannelRequestEventArgs>(Connection.DefaultJsonSerializerOptions));88 break;89 case "requestFailed":90 RequestFailed?.Invoke(this, serverParams?.ToObject<BrowserContextChannelRequestEventArgs>(Connection.DefaultJsonSerializerOptions));91 break;92 case "response":93 Response?.Invoke(this, serverParams?.ToObject<BrowserContextChannelResponseEventArgs>(Connection.DefaultJsonSerializerOptions));94 break;95 }...

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PageEvent.cs

Source:PageEvent.cs Github

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...65 /// <see cref="PlaywrightEvent{T}"/> representing a <see cref="IPage.FrameDetached"/>.66 /// </summary>67 public static PlaywrightEvent<IFrame> FrameDetached { get; } = new() { Name = "FrameDetached" };68 /// <summary>69 /// <see cref="PlaywrightEvent{T}"/> representing a <see cref="IPage.Worker"/>.70 /// </summary>71 public static PlaywrightEvent<IWorker> Worker { get; } = new() { Name = "Worker" };72 /// <summary>73 /// <see cref="PlaywrightEvent{T}"/> representing a <see cref="IPage.Dialog"/>.74 /// </summary>75 public static PlaywrightEvent<IDialog> Dialog { get; } = new() { Name = "Dialog" };76 /// <summary>77 /// <see cref="PlaywrightEvent{T}"/> representing a <see cref="IPage.FileChooser"/>.78 /// </summary>79 public static PlaywrightEvent<IFileChooser> FileChooser { get; } = new() { Name = "FileChooser" };80 /// <summary>81 /// <see cref="PlaywrightEvent{T}"/> representing a <see cref="IPage.PageError"/>.82 /// </summary>83 public static PlaywrightEvent<string> PageError { get; } = new() { Name = "PageError" };84 /// <summary>85 /// <see cref="PlaywrightEvent{T}"/> representing a <see cref="IPage.Load"/>....

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Worker.cs

Source:Worker.cs Github

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...28using Microsoft.Playwright.Transport.Channels;29using Microsoft.Playwright.Transport.Protocol;30namespace Microsoft.Playwright.Core31{32 internal class Worker : ChannelOwnerBase, IChannelOwner<Worker>, IWorker33 {34 private readonly WorkerChannel _channel;35 private readonly WorkerInitializer _initializer;36 public Worker(IChannelOwner parent, string guid, WorkerInitializer initializer) : base(parent, guid)37 {38 _channel = new(guid, parent.Connection, this);39 _initializer = initializer;40 _channel.Close += (_, _) =>41 {42 if (Page != null)43 {44 Page.WorkersList.Remove(this);45 }46 if (BrowserContext != null)47 {48 BrowserContext.ServiceWorkersList.Remove(this);49 }50 Close?.Invoke(this, this);51 };52 }53 public event EventHandler<IWorker> Close;54 public string Url => _initializer.Url;55 ChannelBase IChannelOwner.Channel => _channel;56 IChannel<Worker> IChannelOwner<Worker>.Channel => _channel;57 internal Page Page { get; set; }58 internal BrowserContext BrowserContext { get; set; }59 public async Task<T> EvaluateAsync<T>(string expression, object arg = null)60 => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvaluateExpressionAsync(61 expression,62 null,63 ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));64 public async Task<IJSHandle> EvaluateHandleAsync(string expression, object arg = null)65 => await _channel.EvaluateExpressionHandleAsync(66 expression,67 null,68 ScriptsHelper.SerializedArgument(arg))69 .ConfigureAwait(false);70 public async Task<IWorker> WaitForCloseAsync(Func<Task> action = default, float? timeout = default)71 {72 using var waiter = new Waiter(this, "worker.WaitForCloseAsync");73 var waiterResult = waiter.GetWaitForEventTask<IWorker>(this, nameof(Close), null);74 var result = waiterResult.Task.WithTimeout(Convert.ToInt32(timeout ?? 0));75 if (action != null)76 {77 await WrapApiBoundaryAsync(() => Task.WhenAll(result, action())).ConfigureAwait(false);78 }79 else80 {81 await result.ConfigureAwait(false);82 }83 return this;84 }85 }86}...

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WorkerChannelImpl.cs

Source:WorkerChannelImpl.cs Github

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...35using Microsoft.Playwright.Helpers;36#nullable enable37namespace Microsoft.Playwright.Transport.Channels38{39 internal class WorkerChannelImpl : Channel<Worker>40 {41 public WorkerChannelImpl(string guid, Connection connection, Worker owner) : base(guid, connection, owner)42 {43 }44 // invoked via close45 internal event EventHandler? Close;46 internal virtual async Task<JsonElement> EvaluateExpressionAsync(string expression,47 bool? isFunction,48 object arg)49 => (await Connection.SendMessageToServerAsync<JsonElement>(50 Guid,51 "evaluateExpression",52 new53 {54 expression = expression,55 isFunction = isFunction,56 arg = arg,57 }58 )59 .ConfigureAwait(false)).GetProperty("value");60 internal virtual async Task<JSHandle> EvaluateExpressionHandleAsync(string expression,61 bool? isFunction,62 object arg)63 => (await Connection.SendMessageToServerAsync<JsonElement>(64 Guid,65 "evaluateExpressionHandle",66 new67 {68 expression = expression,69 isFunction = isFunction,70 arg = arg,71 }72 )73 .ConfigureAwait(false)).GetObject<JSHandle>("handle", Connection);74 protected void OnClose() => Close?.Invoke(this, new());75 }76 internal partial class WorkerChannel : WorkerChannelImpl77 {78 public WorkerChannel(string guid, Connection connection, Worker owner) : base(guid, connection, owner)79 {80 }81 }82}83#nullable disable...

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Startup.cs

Source:Startup.cs Github

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1using Akka.Actor;2using Akka.Routing;3using Microsoft.AspNetCore.Builder;4using Microsoft.AspNetCore.Hosting;5using Microsoft.Extensions.Configuration;6using Microsoft.Extensions.DependencyInjection;7using Microsoft.Extensions.Hosting;8using Microsoft.OpenApi.Models;9using PrerenderPlaywright.Actors;10using PrerenderPlaywright.Clients;11using System.Linq;12namespace PrerenderPlaywright13{14 public class Startup15 {16 private ActorSystem system;17 public Startup(IConfiguration configuration)18 { 19 Configuration = configuration;20 }21 public IConfiguration Configuration { get; }22 public void ConfigureServices(IServiceCollection services)23 {24 system = ActorSystem.Create("MySystem");25 services.AddSingleton<IProcessClient>(s => new ProcessClient());26 var activityObserverRef = system.ActorOf(BrowserObserverActor.Props());27 var workerNames = Enumerable.Range(1, 5).Select(n => $"worker-{n}");28 var workers = workerNames.Select(name => system.ActorOf(PrerenderActor.Props(activityObserverRef), name));29 var group = new RoundRobinGroup(workers.Select(w => w.Path.ToStringWithAddress()));30 var groupRef = system.ActorOf(Props.Empty.WithRouter(group));31 services.AddSingleton<IRenderingClient>(s => new RenderingClient(groupRef));32 services.AddSingleton<IBrowserClient>(s => new BrowserClient(activityObserverRef)); 33 services.AddControllers();34 services.AddSwaggerGen(c => c.SwaggerDoc("v1", new OpenApiInfo { Title = "PrerenderDotNet", Version = "v1" }));35 }36 public void Configure(IApplicationBuilder app, IHostApplicationLifetime applicationLifetime, IWebHostEnvironment env)37 {38 applicationLifetime.ApplicationStopping.Register(OnShutdown);39 if (env.IsDevelopment())40 {41 app.UseDeveloperExceptionPage(); 42 }43 app.UseSwagger();44 app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "PrerenderDotNet v1"));45 app.UseRouting();46 app.UseAuthorization();47 app.UseEndpoints(endpoints => endpoints.MapControllers());48 }49 private void OnShutdown()50 {51 system?.Dispose();52 }53 }54}...

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WorkerChannel.cs

Source:WorkerChannel.cs Github

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...25using System.Text.Json;26using Microsoft.Playwright.Core;27namespace Microsoft.Playwright.Transport.Channels28{29 internal partial class WorkerChannel30 {31 internal override void OnMessage(string method, JsonElement? serverParams)32 {33 switch (method)34 {35 case "close":36 OnClose();37 break;38 }39 }40 }41}...

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Function1.cs

Source:Function1.cs Github

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...8using Microsoft.Extensions.Logging;9using Newtonsoft.Json;10using Microsoft.Playwright;11using System.Net;12using Microsoft.Azure.Functions.Worker.Http;13namespace PlayWrightLinuxNet614{15 public static class Function116 {17 [FunctionName("Function1")]18 public static async Task<IActionResult> Run(19 [HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequest req,20 ILogger log)21 {22 using var playwright = await Playwright.CreateAsync();23 await using var browser = await playwright.Chromium.LaunchAsync();24 var page = await browser.NewPageAsync();25 await page.GotoAsync("https://playwright.dev/dotnet");26 var screenshot = await page.ScreenshotAsync();...

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Worker

Using AI Code Generation

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1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5 static async Task Main(string[] args)6 {7 using var playwright = await Playwright.CreateAsync();8 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions9 {10 });11 var page = await browser.NewPageAsync();12 var worker = await page.EvaluateHandleAsync<Worker>("() => new Worker(URL.createObjectURL(new Blob([`console.log('hello')`], { type: 'application/javascript' })))");13 await worker.WaitForEventAsync(WorkerEvent.Console);14 await worker.ConsoleMessageAsync();15 await worker.DisposeAsync();16 await browser.CloseAsync();17 }18}19using Microsoft.Playwright;20using System;21using System.Threading.Tasks;22{23 static async Task Main(string[] args)24 {25 using var playwright = await Playwright.CreateAsync();26 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions27 {28 });29 var page = await browser.NewPageAsync();30 var worker = await page.EvaluateHandleAsync<Worker>("() => new Worker(URL.createObjectURL(new Blob([`console.log('hello')`], { type: 'application/javascript' })))");31 await worker.WaitForEventAsync(WorkerEvent.Console);32 await worker.ConsoleMessageAsync();33 await worker.DisposeAsync();34 await browser.CloseAsync();35 }36}37using Microsoft.Playwright;38using System;39using System.Threading.Tasks;40{41 static async Task Main(string[] args)42 {43 using var playwright = await Playwright.CreateAsync();44 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions45 {46 });47 var page = await browser.NewPageAsync();48 var worker = await page.EvaluateHandleAsync<Worker>("() => new Worker(URL.createObjectURL(new Blob([`console.log('hello')`], { type: 'application

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Worker

Using AI Code Generation

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1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 using var playwright = await Playwright.CreateAsync();9 var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10 {11 });12 var context = await browser.NewContextAsync(new BrowserNewContextOptions13 {14 });15 var page = await context.NewPageAsync();16 var url = await worker.UrlAsync();17 Console.WriteLine(url);18 await page.CloseAsync();19 await context.CloseAsync();20 await browser.CloseAsync();21 }22 }23}24Related Posts: Playwright: How to use Page.GotoAsync() method in C#25Playwright: How to use Page.GotoAsync() method in C# Playwright: How to use Page.GotoAsync() method in C#26Playwright: How to use Page.GotoAsync() method in C# Playwright: How to use Page.GotoAsync() method in C#27Playwright: How to use Page.GotoAsync() method in C# Playwright: How to use Page.GotoAsync() method in C#28Playwright: How to use Page.GotoAsync() method in C# Playwright: How to use Page.GotoAsync() method in C#29Playwright: How to use Page.GotoAsync() method in C# Playwright: How to use Page.GotoAsync() method in C#

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Worker

Using AI Code Generation

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1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 var playwright = await Playwright.CreateAsync();9 var browser = await playwright.Chromium.LaunchAsync();10 var context = await browser.NewContextAsync();11 var page = await context.NewPageAsync();12 await page.GotoAsync("https

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Worker

Using AI Code Generation

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1using Microsoft.Playwright;2using Microsoft.Playwright.Core;3using System;4using System.Threading.Tasks;5{6 {7 static async Task Main(string[] args)8 {9 await using var playwright = await Playwright.CreateAsync();10 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11 {12 });13 var page = await browser.NewPageAsync();14 var worker = await page.WorkerAsync();15 var result = await worker.EvaluateAsync<string>("() => { return 'Hello World' }");16 Console.WriteLine(result);17 }18 }19}20Playwright | Page.WorkerAsync() method

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Worker

Using AI Code Generation

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1using Microsoft.Playwright;2using Microsoft.Playwright.Core;3using Microsoft.Playwright.Transport.Channels;4using System;5using System.Collections.Generic;6using System.Linq;7using System.Text;8using System.Threading.Tasks;9{10 {11 static async Task Main(string[] args)12 {13 using var playwright = await Playwright.CreateAsync();14 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions15 {16 });17 var page = await browser.NewPageAsync();18 var worker = await page.WorkerAsync();19 await worker.EvaluateAsync("() => self.name");20 await worker.EvaluateAsync("() => self.name = 'worker1'");21 await worker.EvaluateAsync("() => self.name");22 }23 }24}25using Microsoft.Playwright;26using Microsoft.Playwright.Core;27using Microsoft.Playwright.Transport.Channels;28using System;29using System.Collections.Generic;30using System.Linq;31using System.Text;32using System.Threading.Tasks;33{34 {35 static async Task Main(string[] args)36 {37 using var playwright = await Playwright.CreateAsync();38 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions39 {40 });41 var page = await browser.NewPageAsync();42 var worker = await page.WorkerAsync();43 await worker.EvaluateAsync("() => self.name");44 await worker.EvaluateAsync("() => self.name = 'worker1'");45 await worker.EvaluateAsync("() => self.name");46 }47 }48}49using Microsoft.Playwright;50using Microsoft.Playwright.Core;51using Microsoft.Playwright.Transport.Channels;52using System;53using System.Collections.Generic;54using System.Linq;55using System.Text;56using System.Threading.Tasks;57{58 {59 static async Task Main(string[] args)60 {

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Worker

Using AI Code Generation

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7using Microsoft.Playwright.Core;8using Microsoft.Playwright.Transport.Channels;9{10 static async Task Main(string[] args)11 {12 await Worker();13 }14 static async Task Worker()15 {16 using var playwright = await Playwright.CreateAsync();17 await using var browser = await playwright.Chromium.LaunchAsync(headless: false);18 var browserContext = await browser.NewContextAsync();19 var page = await browserContext.NewPageAsync();20 var worker = await page.EvaluateHandleAsync("() => new Worker(URL.createObjectURL(new Blob([`console.log('hello from worker')`], {type: 'application/javascript'})))");21 var result = await worker.EvaluateAsync<string>("() => new Promise(f => f('hello from page'))");22 Console.WriteLine(result);23 await browserContext.CloseAsync();24 await browser.CloseAsync();25 }26}27using System;28using System.Collections.Generic;29using System.Linq;30using System.Text;31using System.Threading.Tasks;32using Microsoft.Playwright;33using Microsoft.Playwright.Core;34using Microsoft.Playwright.Transport.Channels;35{36 static async Task Main(string[] args)37 {38 await Worker();39 }40 static async Task Worker()41 {42 using var playwright = await Playwright.CreateAsync();43 await using var browser = await playwright.Chromium.LaunchAsync(headless: false);

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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:

  1. 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.
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  4. 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.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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