Test your AI Agents with the all-new Agent to Agent Testing Platform.Learn More
How to use JSHandle class of Microsoft.Playwright.Core package
Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.JSHandle
FrameChannel.cs
Source:FrameChannel.cs 
...77 ["referer"] = referer,78 };79 return Connection.SendMessageToServerAsync<ResponseChannel>(Guid, "goto", args);80 }81 internal Task<JSHandleChannel> EvaluateExpressionHandleAsync(82 string script,83 object arg)84 {85 return Connection.SendMessageToServerAsync<JSHandleChannel>(86 Guid,87 "evaluateExpressionHandle",88 new Dictionary<string, object>89 {90 ["expression"] = script,91 ["arg"] = arg,92 });93 }94 internal Task<JSHandleChannel> WaitForFunctionAsync(95 string expression,96 object arg,97 float? timeout,98 float? polling)99 {100 var args = new Dictionary<string, object>101 {102 ["expression"] = expression,103 ["arg"] = arg,104 ["timeout"] = timeout,105 ["pollingInterval"] = polling,106 };107 return Connection.SendMessageToServerAsync<JSHandleChannel>(108 Guid,109 "waitForFunction",110 args);111 }112 internal Task<JsonElement?> EvaluateExpressionAsync(113 string script,114 object arg)115 {116 return Connection.SendMessageToServerAsync<JsonElement?>(117 Guid,118 "evaluateExpression",119 new Dictionary<string, object>120 {121 ["expression"] = script,...
Connection.cs
Source:Connection.cs
...50 {51 _rootObject = new(null, this, string.Empty);52 DefaultJsonSerializerOptions = JsonExtensions.GetNewDefaultSerializerOptions();53 DefaultJsonSerializerOptions.Converters.Add(new ChannelToGuidConverter(this));54 DefaultJsonSerializerOptions.Converters.Add(new ChannelOwnerToGuidConverter<JSHandle>(this));55 DefaultJsonSerializerOptions.Converters.Add(new ChannelOwnerToGuidConverter<ElementHandle>(this));56 DefaultJsonSerializerOptions.Converters.Add(new ChannelOwnerToGuidConverter<IChannelOwner>(this));57 // Workaround for https://github.com/dotnet/runtime/issues/4652258 DefaultJsonSerializerOptions.Converters.Add(new ChannelOwnerListToGuidListConverter<WritableStream>(this));59 }60 /// <inheritdoc cref="IDisposable.Dispose"/>61 ~Connection() => Dispose(false);62 internal event EventHandler<string> Close;63 public ConcurrentDictionary<string, IChannelOwner> Objects { get; } = new();64 internal AsyncLocal<List<ApiZone>> ApiZone { get; } = new();65 public bool IsClosed { get; private set; }66 internal bool IsRemote { get; set; }67 internal Func<object, Task> OnMessage { get; set; }68 internal JsonSerializerOptions DefaultJsonSerializerOptions { get; }69 public void Dispose()70 {71 Dispose(true);72 GC.SuppressFinalize(this);73 }74 internal Task<JsonElement?> SendMessageToServerAsync(75 string guid,76 string method,77 object args = null)78 => SendMessageToServerAsync<JsonElement?>(guid, method, args);79 internal Task<T> SendMessageToServerAsync<T>(80 string guid,81 string method,82 object args = null) => WrapApiCallAsync(() => InnerSendMessageToServerAsync<T>(guid, method, args));83 private async Task<T> InnerSendMessageToServerAsync<T>(84 string guid,85 string method,86 object args = null)87 {88 if (IsClosed)89 {90 throw new PlaywrightException($"Connection closed ({_reason})");91 }92 int id = Interlocked.Increment(ref _lastId);93 var tcs = new TaskCompletionSource<JsonElement?>(TaskCreationOptions.RunContinuationsAsynchronously);94 var callback = new ConnectionCallback95 {96 TaskCompletionSource = tcs,97 };98 _callbacks.TryAdd(id, callback);99 var sanitizedArgs = new Dictionary<string, object>();100 if (args != null)101 {102 if (args is IDictionary<string, object> dictionary && dictionary.Keys.Any(f => f != null))103 {104 foreach (var kv in dictionary)105 {106 if (kv.Value != null)107 {108 sanitizedArgs.Add(kv.Key, kv.Value);109 }110 }111 }112 else113 {114 foreach (PropertyDescriptor propertyDescriptor in TypeDescriptor.GetProperties(args))115 {116 object obj = propertyDescriptor.GetValue(args);117 if (obj != null)118 {119#pragma warning disable CA1845 // Use span-based 'string.Concat' and 'AsSpan' instead of 'Substring120 string name = propertyDescriptor.Name.Substring(0, 1).ToLower() + propertyDescriptor.Name.Substring(1);121#pragma warning restore CA2000 // Use span-based 'string.Concat' and 'AsSpan' instead of 'Substring122 sanitizedArgs.Add(name, obj);123 }124 }125 }126 }127 await _queue.EnqueueAsync(() =>128 {129 var message = new MessageRequest130 {131 Id = id,132 Guid = guid,133 Method = method,134 Params = sanitizedArgs,135 Metadata = ApiZone.Value[0],136 };137 TraceMessage("pw:channel:command", message);138 return OnMessage(message);139 }).ConfigureAwait(false);140 var result = await tcs.Task.ConfigureAwait(false);141 if (typeof(T) == typeof(JsonElement?))142 {143 return (T)(object)result?.Clone();144 }145 else if (result == null)146 {147 return default;148 }149 else if (typeof(ChannelBase).IsAssignableFrom(typeof(T)) || typeof(ChannelBase[]).IsAssignableFrom(typeof(T)))150 {151 var enumerate = result.Value.EnumerateObject();152 return enumerate.Any()153 ? enumerate.FirstOrDefault().Value.ToObject<T>(DefaultJsonSerializerOptions)154 : default;155 }156 else157 {158 return result.Value.ToObject<T>(DefaultJsonSerializerOptions);159 }160 }161 internal IChannelOwner GetObject(string guid)162 {163 Objects.TryGetValue(guid, out var result);164 return result;165 }166 internal void MarkAsRemote() => IsRemote = true;167 internal Task<PlaywrightImpl> InitializePlaywrightAsync()168 {169 return _rootObject.InitializeAsync();170 }171 internal void OnObjectCreated(string guid, IChannelOwner result)172 {173 Objects.TryAdd(guid, result);174 }175 internal void Dispatch(PlaywrightServerMessage message)176 {177 if (message.Id.HasValue)178 {179 TraceMessage("pw:channel:response", message);180 if (_callbacks.TryRemove(message.Id.Value, out var callback))181 {182 if (message.Error != null)183 {184 callback.TaskCompletionSource.TrySetException(CreateException(message.Error.Error));185 }186 else187 {188 callback.TaskCompletionSource.TrySetResult(message.Result);189 }190 }191 return;192 }193 TraceMessage("pw:channel:event", message);194 try195 {196 if (message.Method == "__create__")197 {198 var createObjectInfo = message.Params.Value.ToObject<CreateObjectInfo>(DefaultJsonSerializerOptions);199 CreateRemoteObject(message.Guid, createObjectInfo.Type, createObjectInfo.Guid, createObjectInfo.Initializer);200 return;201 }202 if (message.Method == "__dispose__")203 {204 Objects.TryGetValue(message.Guid, out var disableObject);205 disableObject?.DisposeOwner();206 return;207 }208 Objects.TryGetValue(message.Guid, out var obj);209 obj?.Channel?.OnMessage(message.Method, message.Params);210 }211 catch (Exception ex)212 {213 DoClose(ex);214 }215 }216 private void CreateRemoteObject(string parentGuid, ChannelOwnerType type, string guid, JsonElement? initializer)217 {218 IChannelOwner result = null;219 var parent = string.IsNullOrEmpty(parentGuid) ? _rootObject : Objects[parentGuid];220#pragma warning disable CA2000 // Dispose objects before losing scope221 switch (type)222 {223 case ChannelOwnerType.Artifact:224 result = new Artifact(parent, guid, initializer?.ToObject<ArtifactInitializer>(DefaultJsonSerializerOptions));225 break;226 case ChannelOwnerType.BindingCall:227 result = new BindingCall(parent, guid, initializer?.ToObject<BindingCallInitializer>(DefaultJsonSerializerOptions));228 break;229 case ChannelOwnerType.Playwright:230 result = new PlaywrightImpl(parent, guid, initializer?.ToObject<PlaywrightInitializer>(DefaultJsonSerializerOptions));231 break;232 case ChannelOwnerType.Browser:233 var browserInitializer = initializer?.ToObject<BrowserInitializer>(DefaultJsonSerializerOptions);234 result = new Browser(parent, guid, browserInitializer);235 break;236 case ChannelOwnerType.BrowserType:237 var browserTypeInitializer = initializer?.ToObject<BrowserTypeInitializer>(DefaultJsonSerializerOptions);238 result = new Core.BrowserType(parent, guid, browserTypeInitializer);239 break;240 case ChannelOwnerType.BrowserContext:241 var browserContextInitializer = initializer?.ToObject<BrowserContextInitializer>(DefaultJsonSerializerOptions);242 result = new BrowserContext(parent, guid, browserContextInitializer);243 break;244 case ChannelOwnerType.ConsoleMessage:245 result = new ConsoleMessage(parent, guid, initializer?.ToObject<ConsoleMessageInitializer>(DefaultJsonSerializerOptions));246 break;247 case ChannelOwnerType.Dialog:248 result = new Dialog(parent, guid, initializer?.ToObject<DialogInitializer>(DefaultJsonSerializerOptions));249 break;250 case ChannelOwnerType.ElementHandle:251 result = new ElementHandle(parent, guid, initializer?.ToObject<ElementHandleInitializer>(DefaultJsonSerializerOptions));252 break;253 case ChannelOwnerType.Frame:254 result = new Frame(parent, guid, initializer?.ToObject<FrameInitializer>(DefaultJsonSerializerOptions));255 break;256 case ChannelOwnerType.JSHandle:257 result = new JSHandle(parent, guid, initializer?.ToObject<JSHandleInitializer>(DefaultJsonSerializerOptions));258 break;259 case ChannelOwnerType.JsonPipe:260 result = new JsonPipe(parent, guid, initializer?.ToObject<JsonPipeInitializer>(DefaultJsonSerializerOptions));261 break;262 case ChannelOwnerType.LocalUtils:263 result = new LocalUtils(parent, guid, initializer);264 break;265 case ChannelOwnerType.Page:266 result = new Page(parent, guid, initializer?.ToObject<PageInitializer>(DefaultJsonSerializerOptions));267 break;268 case ChannelOwnerType.Request:269 result = new Request(parent, guid, initializer?.ToObject<RequestInitializer>(DefaultJsonSerializerOptions));270 break;271 case ChannelOwnerType.Response:...
ElementHandle.cs
Source:ElementHandle.cs
...32using Microsoft.Playwright.Transport.Channels;33using Microsoft.Playwright.Transport.Protocol;34namespace Microsoft.Playwright.Core35{36 internal partial class ElementHandle : JSHandle, IElementHandle, IChannelOwner<ElementHandle>37 {38 private readonly ElementHandleChannel _channel;39 internal ElementHandle(IChannelOwner parent, string guid, ElementHandleInitializer initializer) : base(parent, guid, initializer)40 {41 _channel = new(guid, parent.Connection, this);42 _channel.PreviewUpdated += (_, e) => Preview = e.Preview;43 }44 ChannelBase IChannelOwner.Channel => _channel;45 IChannel<ElementHandle> IChannelOwner<ElementHandle>.Channel => _channel;46 internal IChannel<ElementHandle> ElementChannel => _channel;47 public async Task<IElementHandle> WaitForSelectorAsync(string selector, ElementHandleWaitForSelectorOptions options = default)48 => (await _channel.WaitForSelectorAsync(49 selector: selector,50 state: options?.State,...
JSHandle.cs
Source:JSHandle.cs
...28using Microsoft.Playwright.Transport.Channels;29using Microsoft.Playwright.Transport.Protocol;30namespace Microsoft.Playwright.Core31{32 internal class JSHandle : ChannelOwnerBase, IChannelOwner<JSHandle>, IJSHandle33 {34 private readonly JSHandleChannel _channel;35 internal JSHandle(IChannelOwner parent, string guid, JSHandleInitializer initializer) : base(parent, guid)36 {37 _channel = new(guid, parent.Connection, this);38 Preview = initializer.Preview;39 }40 ChannelBase IChannelOwner.Channel => _channel;41 IChannel<JSHandle> IChannelOwner<JSHandle>.Channel => _channel;42 internal string Preview { get; set; }43 public IElementHandle AsElement() => this as IElementHandle;44 public async Task<JsonElement?> EvaluateAsync(string expression, object arg = null)45 => ScriptsHelper.ParseEvaluateResult<JsonElement?>(await _channel.EvaluateExpressionAsync(46 script: expression,47 arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));48 public async Task<IJSHandle> EvaluateHandleAsync(string expression, object arg = null)49 => (await _channel.EvaluateExpressionHandleAsync(50 script: expression,51 arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false))?.Object;52 public async Task<T> EvaluateAsync<T>(string expression, object arg = null)53 => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvaluateExpressionAsync(54 script: expression,55 arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));56 public async Task<T> JsonValueAsync<T>() => ScriptsHelper.ParseEvaluateResult<T>(await _channel.JsonValueAsync().ConfigureAwait(false));57 public async Task<IJSHandle> GetPropertyAsync(string propertyName) => (await _channel.GetPropertyAsync(propertyName).ConfigureAwait(false))?.Object;58 public async Task<Dictionary<string, IJSHandle>> GetPropertiesAsync()59 {60 var result = new Dictionary<string, IJSHandle>();61 var channelResult = await _channel.GetPropertiesAsync().ConfigureAwait(false);62 foreach (var kv in channelResult)63 {64 result[kv.Name] = kv.Value.Object;65 }66 return result;67 }68 public async ValueTask DisposeAsync() => await _channel.DisposeAsync().ConfigureAwait(false);69 public override string ToString() => Preview;70 }71}...
JSHandleChannel.cs
Source:JSHandleChannel.cs
...27using Microsoft.Playwright.Core;28using Microsoft.Playwright.Helpers;29namespace Microsoft.Playwright.Transport.Channels30{31 internal class JSHandleChannel : Channel<JSHandle>32 {33 public JSHandleChannel(string guid, Connection connection, JSHandle owner) : base(guid, connection, owner)34 {35 }36 internal Task<JsonElement?> EvaluateExpressionAsync(string script, object arg)37 => Connection.SendMessageToServerAsync<JsonElement?>(38 Guid,39 "evaluateExpression",40 new Dictionary<string, object>41 {42 ["expression"] = script,43 ["arg"] = arg,44 });45 internal Task<JSHandleChannel> EvaluateExpressionHandleAsync(string script, object arg)46 => Connection.SendMessageToServerAsync<JSHandleChannel>(47 Guid,48 "evaluateExpressionHandle",49 new Dictionary<string, object>50 {51 ["expression"] = script,52 ["arg"] = arg,53 });54 internal Task<JsonElement> JsonValueAsync() => Connection.SendMessageToServerAsync<JsonElement>(Guid, "jsonValue", null);55 internal Task DisposeAsync() => Connection.SendMessageToServerAsync(Guid, "dispose", null);56 internal Task<JSHandleChannel> GetPropertyAsync(string propertyName)57 => Connection.SendMessageToServerAsync<JSHandleChannel>(58 Guid,59 "getProperty",60 new Dictionary<string, object>61 {62 ["name"] = propertyName,63 });64 internal async Task<List<JSElementProperty>> GetPropertiesAsync()65 => (await Connection.SendMessageToServerAsync(Guid, "getPropertyList", null).ConfigureAwait(false))?66 .GetProperty("properties").ToObject<List<JSElementProperty>>(Connection.DefaultJsonSerializerOptions);67 internal class JSElementProperty68 {69 public string Name { get; set; }70 public JSHandleChannel Value { get; set; }71 }72 }73}
WorkerChannelImpl.cs
Source:WorkerChannelImpl.cs
...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...
BindingCallInitializer.cs
Source:BindingCallInitializer.cs
...28 {29 public Core.Frame Frame { get; set; }30 public string Name { get; set; }31 public List<System.Text.Json.JsonElement> Args { get; set; }32 public Core.JSHandle Handle { get; set; }33 }34}...
ConsoleMessageInitializer.cs
Source:ConsoleMessageInitializer.cs
...27 internal class ConsoleMessageInitializer28 {29 public string Type { get; set; }30 public string Text { get; set; }31 public List<Core.JSHandle> Args { get; set; }32 public ConsoleMessageLocation Location { get; set; }33 }34}...
JSHandle
Using AI Code Generation
1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync();3var context = await browser.NewContextAsync();4var page = await context.NewPageAsync();5var jsHandle = await page.EvalOnSelectorAsync("body", "body => body");6await jsHandle.AsElementAsync().ClickAsync();7await page.CloseAsync();8await context.CloseAsync();9await browser.CloseAsync();10await playwright.StopAsync();11var playwright = await Playwright.CreateAsync();12var browser = await playwright.Chromium.LaunchAsync();13var context = await browser.NewContextAsync();14var page = await context.NewPageAsync();15var jsHandle = await page.EvalOnSelectorAsync("body", "body => body");16await jsHandle.AsElementAsync().ClickAsync();17await page.CloseAsync();18await context.CloseAsync();19await browser.CloseAsync();20await playwright.StopAsync();21[PlaywrightTest("page-eval-on-selector.spec.ts", "should work with ElementHandle")]22public async Task ShouldWorkWithElementHandle()23{24 await Page.GotoAsync(Server.Prefix + "/playground.html");25 var elementHandle = await Page.QuerySelectorAsync("body");26 var jsHandle = await Page.EvalOnSelectorAsync("body", "body => body", elementHandle);27 await jsHandle.AsElementAsync().ClickAsync();28 Assert.Equal("clicked", await Page.EvaluateAsync<string>("() => result"));29}30System.ArgumentException : The object is not an element handle. at Microsoft.Playwright.Core.ElementHandle.ClickAsync(String selector, Nullable`1 position, Nullable`1 delay, Nullable`1 force, Nullable`1 noWaitAfter, Nullable`1 button, Nullable`1 clickCount) at Microsoft.Playwright.Tests.PageEvalOnSelectorTests.ShouldWorkWithElementHandle() in C:\Users\user\source\repos\playwright-sharp\src\Playwright.Tests\PageEvalOnSelectorTests.cs : line 54
JSHandle
Using AI Code Generation
1using Microsoft.Playwright;2var playwright = await Playwright.CreateAsync();3var browser = await playwright.Chromium.LaunchAsync();4var page = await browser.NewPageAsync();5var input = await page.QuerySelectorAsync("input[type=\"text\"]");6await input.TypeAsync("Hello World");7await page.ScreenshotAsync("screenshot.png");8await browser.CloseAsync();9await playwright.StopAsync();10using Microsoft.Playwright;11var playwright = await Playwright.CreateAsync();12var browser = await playwright.Chromium.LaunchAsync();13var page = await browser.NewPageAsync();14var input = await page.QuerySelectorAsync("input[type=\"text\"]");15await input.TypeAsync("Hello World");16await page.ScreenshotAsync("screenshot.png");17await browser.CloseAsync();18await playwright.StopAsync();
JSHandle
Using AI Code Generation
1{2 public static async Task Main(string[] args)3 {4 using var playwright = await Playwright.CreateAsync();5 await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });6 var page = await browser.NewPageAsync();7 await page.FillAsync("input[name=q]", "playwright");8 await page.ClickAsync("input[type=submit]");9 await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);10 var jsHandle = await page.QuerySelectorAsync("h3");11 var value = await jsHandle.EvaluateAsync<string>("node => node.innerText");12 Console.WriteLine(value);13 }14}15{16 public static async Task Main(string[] args)17 {18 await using var playwright = await Playwright.CreateAsync();19 await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });20 var page = await browser.NewPageAsync();21 await page.FillAsync("input[name=q]", "playwright");22 await page.ClickAsync("input[type=submit]");23 await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);24 var jsHandle = await page.QuerySelectorAsync("h3");25 var value = await jsHandle.EvaluateAsync<string>("node => node.innerText");26 Console.WriteLine(value);27 }28}29{30 public static async Task Main(string[] args)31 {32 await using var playwright = await Playwright.CreateAsync();33 await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });34 var page = await browser.NewPageAsync();35 await page.FillAsync("input[name=q]", "playwright");36 await page.ClickAsync("input[type=submit]");37 await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);38 var jsHandle = await page.QuerySelectorAsync("h3");39 var value = await jsHandle.EvaluateAsync<string>("node => node.innerText");40 Console.WriteLine(value);41 }42}
JSHandle
Using AI Code Generation
1var playwright = await Microsoft.Playwright.Core.Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync();3var page = await browser.NewPageAsync();4var title = await page.TitleAsync();5Console.WriteLine(title);6await page.TypeAsync("input[title=\"Search\"]", "Hello World");7await page.PressAsync("input[title=\"Search\"]", "Enter");8await page.ScreenshotAsync("screenshot.png");9await browser.CloseAsync();10var playwright = await Microsoft.Playwright.Playwright.CreateAsync();11var browser = await playwright.Chromium.LaunchAsync();12var page = await browser.NewPageAsync();13var title = await page.TitleAsync();14Console.WriteLine(title);15await page.TypeAsync("input[title=\"Search\"]", "Hello World");16await page.PressAsync("input[title=\"Search\"]", "Enter");17await page.ScreenshotAsync("screenshot.png");18await browser.CloseAsync();19var playwright = await Microsoft.Playwright.Playwright.CreateAsync();20var browser = await playwright.Chromium.LaunchAsync();21var page = await browser.NewPageAsync();22var title = await page.TitleAsync();23Console.WriteLine(title);24await page.TypeAsync("input[title=\"Search\"]", "Hello World");25await page.PressAsync("input[title=\"Search\"]", "Enter");26await page.ScreenshotAsync("screenshot.png");27await browser.CloseAsync();28var playwright = await Microsoft.Playwright.Playwright.CreateAsync();29var browser = await playwright.Chromium.LaunchAsync();30var page = await browser.NewPageAsync();31var title = await page.TitleAsync();32Console.WriteLine(title);33await page.TypeAsync("input[title=\"Search\"]", "Hello World");34await page.PressAsync("input[title=\"Search\"]", "Enter");35await page.ScreenshotAsync("screenshot.png");36await browser.CloseAsync();
JSHandle
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright.Core;4using Microsoft.Playwright.Core.Helpers;5using Microsoft.Playwright.Core.Helpers.Json;6using Microsoft.Playwright.Core.Helpers.Json.Converters;7using Microsoft.Playwright.Core.Helpers.Json.Serialization;8{9 {10 public Task<JSHandle> EvaluateAsync(string expression, params object[] args)11 {12 return null;13 }14 }15}16using System;17using System.Threading.Tasks;18using Microsoft.Playwright.Core;19using Microsoft.Playwright.Core.Helpers;20using Microsoft.Playwright.Core.Helpers.Json;21using Microsoft.Playwright.Core.Helpers.Json.Converters;22using Microsoft.Playwright.Core.Helpers.Json.Serialization;23{24 {25 public Task<JSHandle> EvaluateAsync(string expression, params object[] args)26 {27 return null;28 }29 }30}31using System;32using System.Threading.Tasks;33using Microsoft.Playwright.Core;34using Microsoft.Playwright.Core.Helpers;35using Microsoft.Playwright.Core.Helpers.Json;36using Microsoft.Playwright.Core.Helpers.Json.Converters;37using Microsoft.Playwright.Core.Helpers.Json.Serialization;38{39 {40 public Task<JSHandle> EvaluateAsync(string expression, params object[] args)41 {42 return null;43 }44 }45}46using System;47using System.Threading.Tasks;48using Microsoft.Playwright.Core;49using Microsoft.Playwright.Core.Helpers;50using Microsoft.Playwright.Core.Helpers.Json;51using Microsoft.Playwright.Core.Helpers.Json.Converters;52using Microsoft.Playwright.Core.Helpers.Json.Serialization;53{54 {55 public Task<JSHandle> EvaluateAsync(string expression, params object[] args)56 {57 return null;58 }59 }60}61using System;62using System.Threading.Tasks;63using Microsoft.Playwright.Core;64using Microsoft.Playwright.Core.Helpers;65using Microsoft.Playwright.Core.Helpers.Json;66using Microsoft.Playwright.Core.Helpers.Json.Converters;67using Microsoft.Playwright.Core.Helpers.Json.Serialization;68{69 {70 public Task<JSHandle> EvaluateAsync(string expression, params object[] args)71 {72 return null;73 }74 }75}76using System;77using System.Threading.Tasks;
JSHandle
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using System.Threading;5using System.IO;6using System.Net;7using System.Net.Http;8{9 {
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.
Run Playwright-dotnet automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Most used methods in JSHandle
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
