How to use PageEvaluateHandle method of PuppeteerSharp.Tests.JSHandleTests.PageEvaluateHandle class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.JSHandleTests.PageEvaluateHandle.PageEvaluateHandle

PageEvaluateHandle.cs

Source: PageEvaluateHandle.cs Github

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...5using Xunit.Abstractions;6namespace PuppeteerSharp.Tests.JSHandleTests7{8 [Collection(TestConstants.TestFixtureCollectionName)]9 public class PageEvaluateHandle : PuppeteerPageBaseTest10 {11 public PageEvaluateHandle(ITestOutputHelper output) : base(output)12 {13 }14 [PuppeteerTest("jshandle.spec.ts", "Page.evaluateHandle", "should work")]15 [PuppeteerFact]16 public async Task ShouldWork()17 => Assert.NotNull(await Page.EvaluateFunctionHandleAsync("() => window"));18 [PuppeteerTest("jshandle.spec.ts", "Page.evaluateHandle", "should accept object handle as an argument")]19 [PuppeteerFact]20 public async Task ShouldAcceptObjectHandleAsAnArgument()21 {22 var navigatorHandle = await Page.EvaluateFunctionHandleAsync("() => navigator");23 var text = await Page.EvaluateFunctionAsync<string>(24 "(e) => e.userAgent",25 navigatorHandle);...

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PageEvaluateHandle

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 [PuppeteerTest("jshandle.spec.ts", "JSHandle", "page.evaluateHandle")]7 public async Task ShouldWork()8 {9 var aHandle = await Page.EvaluateHandleAsync("() => ({a: 1})");10 Assert.Equal("object", await aHandle.JsonValueAsync<string>());11 Assert.Equal("object", await aHandle.JsonValueAsync<string>());12 }13 }14}15using System;16using System.Threading.Tasks;17using PuppeteerSharp;18{19 {20 [PuppeteerTest("jshandle.spec.ts", "JSHandle", "page.evaluateHandle")]21 public async Task ShouldWork()22 {23 var aHandle = await Page.EvaluateHandleAsync("() => ({a: 1})");24 Assert.Equal("object", await aHandle.JsonValueAsync<string>());25 Assert.Equal("object", await aHandle.JsonValueAsync<string>());26 }27 }28}29using System;30using System.Threading.Tasks;31using PuppeteerSharp;32{33 {34 [PuppeteerTest("jshandle.spec.ts", "JSHandle", "page.evaluateHandle")]35 public async Task ShouldWork()36 {37 var aHandle = await Page.EvaluateHandleAsync("() => ({a: 1})");38 Assert.Equal("object", await aHandle.JsonValueAsync<string>());39 Assert.Equal("object", await aHandle.JsonValueAsync<string>());40 }41 }42}43using System;44using System.Threading.Tasks;45using PuppeteerSharp;46{

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PageEvaluateHandle

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 [PuppeteerTest("jshandle.spec.ts", "JSHandle", "page.evaluateHandle should work")]7 public async Task PageEvaluateHandleShouldWork()8 {9 var aHandle = await Page.EvaluateHandleAsync("() => Promise.resolve(3)");10 var isPromise = await Page.EvaluateFunctionAsync<bool>("x => Object.prototype.toString.call(x) === '[object Promise]'", aHandle);11 Assert.True(isPromise);12 }13 [PuppeteerTest("jshandle.spec.ts", "JSHandle", "page.evaluateHandle should accept object handles as arguments")]14 public async Task PageEvaluateHandleShouldAcceptObjectHandlesAsArguments()15 {16 var windowHandle = await Page.EvaluateHandleAsync("() => window");17 var aHandle = await Page.EvaluateHandleAsync("x => x", windowHandle);18 var result = await Page.EvaluateFunctionAsync<bool>("x => x === window", aHandle);19 Assert.True(result);20 }21 [PuppeteerTest("jshandle.spec.ts", "JSHandle", "page.evaluateHandle should accept string handles as arguments")]22 public async Task PageEvaluateHandleShouldAcceptStringHandlesAsArguments()23 {24 var aHandle = await Page.EvaluateHandleAsync("() => 'string'");25 var result = await Page.EvaluateFunctionAsync<string>("x => x", aHandle);26 Assert.Equal("string", result);27 }28 [PuppeteerTest("jshandle.spec.ts", "JSHandle", "page.evaluateHandle should accept object handles to primitives")]29 public async Task PageEvaluateHandleShouldAcceptObjectHandlesToPrimitives()30 {31 var aHandle = await Page.EvaluateHandleAsync("() => ({ a: 1})");32 var result = await Page.EvaluateFunctionAsync<int>("x => x.a", aHandle);33 Assert.Equal(1, result);34 }35 [PuppeteerTest("jshandle.spec.ts", "JSHandle", "page.evaluateHandle should throw for circular objects")]

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PageEvaluateHandle

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Tests.Attributes;5using Xunit;6{7 [Collection(TestConstants.TestFixtureCollectionName)]8 {9 [PuppeteerTest("jshandle.spec.ts", "Page.evaluateHandle", "should work")]10 public async Task ShouldWork()11 {12 var aHandle = await Page.EvaluateHandleAsync("() => Promise.resolve(7 * 3)");13 var result = await Page.EvaluateFunctionAsync("a => a * 2", aHandle);14 Assert.Equal(42, result);15 }16 [PuppeteerTest("jshandle.spec.ts", "Page.evaluateHandle", "should accept object handle as an argument")]17 public async Task ShouldAcceptObjectHandleAsAnArgument()18 {19 var windowHandle = await Page.EvaluateHandleAsync("() => window");20 var result = await Page.EvaluateFunctionAsync("a => a === window", windowHandle);21 Assert.Equal(true, result);22 }23 [PuppeteerTest("jshandle.spec.ts", "Page.evaluateHandle", "should accept object handle to primitive types")]24 public async Task ShouldAcceptObjectHandleToPrimitiveTypes()25 {26 var nullHandle = await Page.EvaluateHandleAsync("() => null");27 var result = await Page.EvaluateFunctionAsync("a => Object.is(a, null)", nullHandle);28 Assert.Equal(true, result);29 var trueHandle = await Page.EvaluateHandleAsync("() => true");30 result = await Page.EvaluateFunctionAsync("a => a === true", trueHandle);31 Assert.Equal(true, result);32 var windowHandle = await Page.EvaluateHandleAsync("() => window");33 result = await Page.EvaluateFunctionAsync("a => a === window", windowHandle);34 Assert.Equal(true, result);35 }36 [PuppeteerTest("jshandle.spec.ts", "Page.evaluateHandle", "should throw if underlying element was disposed")]37 public async Task ShouldThrowIfUnderlyingElementWasDisposed()38 {39 var exception = await Assert.ThrowsAsync<Exception>(() => Page.EvaluateFunctionAsync("() => delete window['Node

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PageEvaluateHandle

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Media;5{6 {7 [PuppeteerTest("jshandle.spec.ts", "JSHandle", "Page.evaluateHandle")]8 public async Task ShouldWork()9 {10 await Page.GoToAsync(TestConstants.ServerUrl + "/​input/​button.html");11 var windowHandle = await Page.EvaluateHandleAsync("() => window");12 var isJSHandle = windowHandle is PuppeteerSharp.JSHandle;13 Assert.True(isJSHandle);14 }15 }16}17at PuppeteerSharp.Tests.JSHandleTests.PageEvaluateHandle.ShouldWork() in C:\Users\user\Documents\GitHub\puppeteer-sharp\lib\PuppeteerSharp.Tests\JSHandleTests\PageEvaluateHandle.cs:line 2718at PuppeteerSharp.Tests.JSHandleTests.PageEvaluateHandle.ShouldWork() in C:\Users\user\Documents\GitHub\puppeteer-sharp\lib\PuppeteerSharp.Tests\JSHandleTests\PageEvaluateHandle.cs:line 2719Assert.True() Failure

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PageEvaluateHandle

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1using System.Threading.Tasks;2using PuppeteerSharp.Tests.Attributes;3using Xunit;4using Xunit.Abstractions;5{6 [Collection(TestConstants.TestFixtureCollectionName)]7 {8 public PageEvaluateHandleTests(ITestOutputHelper output) : base(output)9 {10 }11 [PuppeteerTest("jshandle.spec.ts", "JSHandle", "Page.evaluateHandle should work")]12 public async Task PageEvaluateHandleShouldWork()13 {14 var aHandle = await Page.EvaluateHandleAsync("() => Promise.resolve(5)");15 var isFive = await Page.EvaluateFunctionAsync<bool>("x => x === 5", aHandle);16 Assert.True(isFive);17 }18 }19}20using System.Threading.Tasks;21using PuppeteerSharp.Tests.Attributes;22using Xunit;23using Xunit.Abstractions;24{25 [Collection(TestConstants.TestFixtureCollectionName)]26 {27 public PageQuerySelectorHandleTests(ITestOutputHelper output) : base(output)28 {29 }30 [PuppeteerTest("jshandle.spec.ts", "JSHandle", "Page.$ should work")]31 public async Task PageQuerySelectorHandleShouldWork()32 {33 await Page.SetContentAsync("<section>42</​section>");34 var element = await Page.QuerySelectorHandleAsync("section");35 Assert.NotNull(element);36 var text = await Page.EvaluateFunctionAsync<string>("x => x.textContent", element);37 Assert.Equal("42", text);38 }39 }40}

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StackOverFlow community discussions

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Get Result of document.querySelectorAll in PuppeteerSharp

using below,

using var page = browser.NewPageAsync().Result;

page.TypeAsync("input[name='elementname']", valuetobeset).Wait();
https://stackoverflow.com/questions/67332554/set-input-value-with-puppeteer-sharp

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