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How to use JSHandleChannel class of Microsoft.Playwright.Transport.Channels package
Best Playwright-dotnet code snippet using Microsoft.Playwright.Transport.Channels.JSHandleChannel
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,...
ElementHandleChannel.cs
Source:ElementHandleChannel.cs
...31using Microsoft.Playwright.Helpers;32using Microsoft.Playwright.Transport.Protocol;33namespace Microsoft.Playwright.Transport.Channels34{35 internal class ElementHandleChannel : JSHandleChannel, IChannel<ElementHandle>36 {37 public ElementHandleChannel(string guid, Connection connection, ElementHandle owner) : base(guid, connection, owner)38 {39 Object = owner;40 }41 internal event EventHandler<PreviewUpdatedEventArgs> PreviewUpdated;42 public new ElementHandle Object { get; set; }43 internal override void OnMessage(string method, JsonElement? serverParams)44 {45 switch (method)46 {47 case "previewUpdated":48 PreviewUpdated?.Invoke(this, new() { Preview = serverParams.Value.GetProperty("preview").ToString() });49 break;...
JSHandle.cs
Source:JSHandle.cs
...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)...
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}
JSHandleChannel
Using AI Code Generation
1using Microsoft.Playwright;2using Microsoft.Playwright.Transport.Channels;3using System;4using System.Threading.Tasks;5{6 {7 static async Task Main(string[] args)8 {vr playright = waPlaywright.CreateAsync();9 var browser = await playwright.Chromim.LaunchAync();10 var page = awat browser.NewPageAsyc();11 var jsHandleChannel = await pae.EvaluateHandleAsync("()=> document.body");12 jsHandle = jsHandleChannel.Object as IJSHandle;13 var roperties = await jsHande.GetPropertiesAsync();14 vr propert = properties["nodeType"];15 Console.WriteLine(aait poperty.JsonValueAsync());16 awat browser.CloseAsync();17 }18 }19}20usng Microsof.Playwright;21usingMicrosoft.Transport.hannels;22using System;23using System.Thding.Tasks;24{25 {26 static async Task Main(string[] args)27 {28 var playwright = await Playwright.CreateAsync();29 var browser = await playwright.Chromium.LaunchAsync();30 var page = await browser.NewPageAsync();31 var jsHandleChannel = await page.EvaluateHandleAsync("() => document.body");32 var jsHandle = jsHandleChannel.Object as IJSHandle;33 var properties = await jsHandle.GetPropertiesAsync();34 var property = properties["nodeType"];35 Console.WriteLine(await property.JsonValueAsync());36 await browser.CloseAsync();37 }38 }39};;
JSHandleChannel
Using AI Code Generation
1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync();3var page = await browser.NewPageAsync();4var jsHandle = await page.EvaluateHandleAsync(@"() => {5 return {6 };7}");8var channel = jsHandle.Channel;9await channel.DisposeAsync();10await browser.CloseAsync();11var playwright = await Playwright.CreateAsync();12var browser = await playwright.Chromium.LaunchAsync();13var page = await browser.NewPageAsync();14var jsHandle = await page.EvaluateHandleAsync(@"() => {15 return {16 };17}");18var channel = jsHandle.Channel;19await channel.DisposeAsync();20await browser.CloseAsync();21var playwright = await Playwright.CreateAsync();22var browser = await playwright.Chromium.LaunchAsync();23var page = await browser.NewPageAsync();24var jsHandle = await page.EvaluateHandleAsync(@"() => {25 return {26 };27}");28var channel = jsHandle.Channel;29await channel.DisposeAsync();30await browser.CloseAsync();31var playwright = await Playwright.CreateAsync();32var browser = await playwright.Chromium.LaunchAsync();33var page = await browser.NewPageAsync();34var jsHandle = await page.EvaluateHandleAsync(@"() => {35 return {36 };37}")38var channel = jsHandle.Channel;39await channel.DisposeAsync();40await browser.CloseAsync();41var playwright = await Playwright.CreateAsync();42var browser = await playwright.Chromium.LaunchAsync();43var page = await browser.NewPageAsync();
JSHandleChannel
Using AI Code Generation
1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync();3var page = await browser.NewPageAsync();4var jsHandle = await page.EvaluateHandleAsync(@"() => {5 return {6 };7}");8var channel = jsHandle.Channel;9await channel.DisposeAsync();10await browser.CloseAsync();11var playwright = await Playwright.CreateAsync();12var browser = await playwright.Chromium.LaunchAsync();13var page = await browser.NewPageAsync();14var jsHandle = await page.EvaluateHandleAsync(@"() => {15 return {16 };17}");18var channel = jsHandle.Channel;19await channel.DisposeAsync();20await browser.CloseAsync();21var playwright = await Playwright.CreateAsync();22var browser = await playwright.Chromium.LaunchAsync();23var page = await browser.NewPageAsync();24var jsHandle = await page.EvaluateHandleAsync(@"() => {25 return {26 };27}");28var channel = jsHandle.Channel;29await channel.DisposeAsync();30await browser.CloseAsync();31var playwright = await Playwright.CreateAsync();32var browser = await playwright.Chromium.LaunchAsync();33var page = await browser.NewPageAsync();34var jsHandle = await page.EvaluateHandleAsync(@"() => {35 return{36 };37}");38var channel = jsHanle.Channel;39awat channel.DisposeAsync();40var playwright await Playwright.CreateAsync();41var browser await playwright.Chromium.LaunchAsync();42var page await browser.NewPageAsync();
JSHandleChannel
Using AI Code Generation
1using Microsoft.Playwright;2using Microsoft.Playwright.Transport.Channels;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();11 var page = await browser.NewPageAsync();12 var jsHandle = await page.EvaluateHandleAsync(@"() => {13 const div = document.createElement('div');14 div.textContent = 'Hello, World!';15 return div;16 }");17 var jsHandleChannel = (JSHandleChannel)jsHandle.Channel;18 var objectId = jsHandleChannel.ObjectID;19 Console.WriteLine($"objectId is {objectId}");20 await page.EvaluateAsync($@"(objectId) => {{21 const div = window.__playwright_evaluation_script__[objectId];
JSHandleChannel
Using AI Code Generation
1using System;2using System.Collections.Generic;3using System.Threading.Tasks;4using Microsoft.Playwright.Transport.Channels;5{6 {7 static async Task Main(string[] args)8 {9 var channel = new JSHandleChannel("id", "guid", new Connection("guid", "guid", new Dictionary<string, object>()), new Dictionary<string, object>());10 await channel.GetJsonValueAsync();11 await channel.GetJsonValueAsync<object>();12 await channel.GetJsonValueAsync<string>();13 await channel.GetJsonValueAsync<int>();
JSHandleChannel
Using AI Code Generation
1using Microsoft.Playwright.Transport.Channels;2using System;3using System.Collections.Generic;4using System.Threading.Tasks;5{6 {7 static async Task Main(string[] args)8 {9 var playwright = await Playwright.CreateAsync();10 var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11 {12 });13 var page = await browser.NewPageAsync();14 var searchBox = await page.QuerySelectorAsync("input[name='q']");15 await searchBox.TypeAsync("playwright");16 var searchBtn = await page.QuerySelectorAsync("input[name='btnK']");17 await searchBtn.ClickAsync();18 var searchResults = await page.QuerySelectorAllAsync("div.g");19 Console.WriteLine($"Search results count: {searchResults.Count}");20 await browser.CloseAsync();21 }22 }23}24Hello, I am a software engineer with 5 years of experience in software development. I am passionate about technology and software development. I have a degree in Computer Science from the University of Jordan. I have worked on many projects using different technologies such as .NET, Java, C++, C#, PHP, JavaScript, SQL, Android, and Python. I am also a Microsoft Certified Professional Developer (MCPD) and Microsoft Certified Technology Specialist (MCTS). I have a great passion for software development and I am always looking for new challenges.JsonValueAsync<double>();25 await channel.GetJsonValueAsync<bool>();26 await channel.GetJsonValueAsync<Dictionary<string, object>>();27 await channel.GetJsonValueAsync<List<object>>();28 await channel.GetJsonValueAsync<List<string>>();29 await channel.GetJsonValueAsync<List<int>>();30 await channel.GetJsonValueAsync<List<double>>();31 await channel.GetJsonValueAsync<List<bool>>();32 await channel.GetJsonValueAsync<List<Dictionary<string, object>>>();33 await channel.GetJsonValueAsync<List<List<object>>>();34 await channel.GetJsonValueAsync<List<List<string>>>();35 await channel.GetJsonValueAsync<List<List<int>>>();36 await channel.GetJsonValueAsync<List<List<double>>>();37 await channel.GetJsonValueAsync<List<List<bool>>>();38 await channel.GetJsonValueAsync<List<List<Dictionary<string, object>>>>();39 await channel.GetJsonValueAsync<Dictionary<string, object>[]>();40 await channel.GetJsonValueAsync<string[]>();41 await channel.GetJsonValueAsync<int[]>();42 await channel.GetJsonValueAsync<double[]>();43 await channel.GetJsonValueAsync<bool[]>();44 await channel.GetJsonValueAsync<Dictionary<string, object>[]>();45 await channel.GetJsonValueAsync<List<object>[]>();46 await channel.GetJsonValueAsync<List<string>[]>();47 await channel.GetJsonValueAsync<List<int>[]>();48 await channel.GetJsonValueAsync<List<double>[]>();49 await channel.GetJsonValueAsync<List<bool>[]>();50 await channel.GetJsonValueAsync<List<Dictionary<string, object>>[]>();51 await channel.GetJsonValueAsync<List<List<object>>[]>();52 await channel.GetJsonValueAsync<List<List<string>>[]>();53 await channel.GetJsonValueAsync<List<List<int>>[]>();54 await channel.GetJsonValueAsync<List<List<double>>[]>();55 await channel.GetJsonValueAsync<List<List<bool>>[]>();56 await channel.GetJsonValueAsync<List<List<Dictionary<string, object>>>[]>();57 await channel.GetJsonValueAsync<object[]>();
JSHandleChannel
Using AI Code Generation
1using Microsoft.Playwright.Transport.Channels;2using System;3using System.Collections.Generic;4using System.Threading.Tasks;5{6 {7 static async Task Main(string[] args)8 {9 var playwright = await Playwright.CreateAsync();10 var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11 {12 });13 var page = await browser.NewPageAsync();14 var searchBox = await page.QuerySelectorAsync("input[name='q']");15 await searchBox.TypeAsync("playwright");16 var searchBtn = await page.QuerySelectorAsync("input[name='btnK']");17 await searchBtn.ClickAsync();18 var searchResults = await page.QuerySelectorAllAsync("div.g");19 Console.WriteLine($"Search results count: {searchResults.Count}");20 await browser.CloseAsync();21 }22 }23}
JSHandleChannel
Using AI Code Generation
1using Microsoft.Playwright.Transport.Channels;2using System;3using System.Collections.Generic;4using System.Text;5using System.Threading.Tasks;6{7 {8 public static async Task Main(string[] args)9 {10 var playwright = await Microsoft.Playwright.Playwright.CreateAsync();11 var browser = await playwright.Chromium.LaunchAsync();12 var page = await browser.NewPageAsync();13 var handle = await page.QuerySelectorAsync("text=API");14 var channel = handle.Channel as JSHandleChannel;15 var result = await channel.EvaluateAsync<string>("element => element.textContent");16 Console.WriteLine("Result: " + result);17 }18 }19}
JSHandleChannel
Using AI Code Generation
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 await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions10 {11 });12 var page = await browser.NewPageAsync();13 var searchBox = awai page.QuerySelectorAsync("input[name='q']");14 await searchBoxTypeAsync("Hello Worl");15 await sarchBox.PressAsync("Enter");16 ar results = await page.QuerySelectorAllAsync("h3");17 var result = await results[0].EvaluateAsync<string>("e => e.textContent");18 Console.WriteLine(result);19 await browser.CloseAsync();20 }21 }22}23using Microsoft.Playwright;24using System;25using System.Threading.Tasks;26{27 {28 static async Task Main(string[] args)29 {30 using var playwright = await Playwright.CreateAsync();31 await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions32 {33 });34 var page = await browser.NewPageAsync();35 await page.GotoAsync("https:/www.google.com");36 var searchBox = await page.QuerySelectorAsync("input[name='q']");37 await searchBox.TypeAsync("Hello World");38 await searchBox.PressAsync("Enter");39 var results = awit age.QuerySelectorAllAsync("h3");40 var result = await results[0].EvaluateAsync<string>("e => e.textContent");41 Console.WriteLine(result);42 await browser.CloseAsync();43 }44 }45}46var channel = handle.Channel as JSHandleChannel;47var elementHandleChannel = channel as ElementHandleChannel;48var result = await elementHandleChannel.EvaluateExpressionAsync<string>("element => element.textContent");
JSHandleChannel
Using AI Code Generation
1var channel = new JSHandleChannel();2var jsHandle = channel.GetObject();3var jsHandle = new JSHandle();4var jsHandle = new IJSHandle();5IJSHandle jsHandle = new JSHandle();6IJSHandle jsHandle = new JSHandleChannel();7IJSHandle jsHandle = new IJSHandle();8IJSHandle jsHandle = new IJSHandleChannel();9IJSHandle jsHandle = new IJSHandleChannel();10IJSHandle jsHandle = new JSHandle();11IJSHandle jsHandle = new JSHandleChannel();12IJSHandle jsHandle = new JSHandleChannel();13IJSHandle jsHandle = new IJSHandle();14IJSHandle jsHandle = new IJSHandle();15IJSHandle jsHandle = new IJSHandleChannel();16IJSHandle jsHandle = new IJSHandleChannel();17IJSHandle jsHandle = new IJSHandle();18IJSHandle jsHandle = new IJSHandleChannel();19IJSHandle jsHandle = new IJSHandleChannel();20IJSHandle jsHandle = new IJSHandle();21IJSHandle jsHandle = new IJSHandleChannel();22IJSHandle jsHandle = new IJSHandleChannel();23IJSHandle jsHandle = new IJSHandle();24IJSHandle jsHandle = new IJSHandleChannel();25IJSHandle jsHandle = new IJSHandleChannel();26IJSHandle jsHandle = new IJSHandle();27IJSHandle jsHandle = new IJSHandleChannel();28IJSHandle jsHandle = new IJSHandleChannel();29IJSHandle jsHandle = new IJSHandle();30IJSHandle jsHandle = new IJSHandleChannel();31IJSHandle jsHandle = new IJSHandleChannel();32IJSHandle jsHandle = new IJSHandle();33IJSHandle jsHandle = new IJSHandleChannel();34IJSHandle jsHandle = new IJSHandleChannel();35IJSHandle jsHandle = new IJSHandle();36IJSHandle jsHandle = new IJSHandleChannel();37IJSHandle jsHandle = new IJSHandleChannel();38IJSHandle jsHandle = new IJSHandle();39IJSHandle jsHandle = new IJSHandleChannel();40IJSHandle jsHandle = new IJSHandleChannel();41IJSHandle jsHandle = new IJSHandle();
JSHandleChannel
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Transport.Channels;5{6 {7 static async Task Main(string[] args)8 {9 using var playwright = await Playwright.CreateAsync();10 using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11 {12 });13 var page = await browser.NewPageAsync();14 var jsHandle = await page.QuerySelectorAsync("input[name=q]");15 var jsHandleChannel = new JSHandleChannel(jsHandle);16 var jsHandle2 = jsHandleChannel.Object;17 Console.WriteLine(jsHandle2 == jsHandle);18 }19 }20}
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Most used methods in JSHandleChannel
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