How to use PageEvaluateAsync method of Microsoft.Playwright.Tests.PageEvaluateTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageEvaluateTests.PageEvaluateAsync

PageEvaluateAsync

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1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5{6 {7 [PlaywrightTest("page-evaluate.spec.ts", "should work")]8 public async Task ShouldWork()9 {10 var result = await Page.EvaluateAsync<int>("() => 7 * 3");11 Assert.AreEqual(21, result);12 }13 }14}15using System;16using System.Collections.Generic;17using System.Text;18using System.Threading.Tasks;19{20 {21 [PlaywrightTest("page-evaluate.spec.ts", "should transfer NaN")]22 public async Task ShouldTransferNaN()23 {24 var result = await Page.EvaluateAsync<double>("a => a", double.NaN);25 Assert.AreEqual(double.NaN, result);26 }27 }28}29using System;30using System.Collections.Generic;31using System.Text;32using System.Threading.Tasks;33{34 {35 [PlaywrightTest("page-evaluate.spec.ts", "should transfer -0")]36 public async Task ShouldTransfer0()37 {38 var result = await Page.EvaluateAsync<double>("a => a", -0d);39 Assert.AreEqual(-0d, result);40 }41 }42}43using System;44using System.Collections.Generic;45using System.Text;46using System.Threading.Tasks;47{48 {49 [PlaywrightTest("page-evaluate.spec.ts", "should transfer Infinity")]50 public async Task ShouldTransferInfinity()51 {52 var result = await Page.EvaluateAsync<double>("a => a", double.PositiveInfinity);53 Assert.AreEqual(double.PositiveInfinity, result);54 }55 }56}57using System;58using System.Collections.Generic;59using System.Text;60using System.Threading.Tasks;

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PageEvaluateAsync

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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 await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions10 {11 });12 var page = await browser.NewPageAsync();13 await page.ClickAsync("text=Show me more details");14 var userAgent = await page.EvaluateAsync<string>("() => navigator.userAgent");15 Console.WriteLine(userAgent);16 Console.WriteLine("Hello World!");17 }18 }19}20Mozilla/​5.0 (X11; Linux x86_64) AppleWebKit/​537.36 (KHTML, like Gecko) Chrome/​89.0.4389.114 Safari/​537.36

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PageEvaluateAsync

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1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using System;4using System.Collections.Generic;5using System.Text;6using System.Threading.Tasks;7{8 {9 static async Task Main(string[] args)10 {11 await using var playwright = await Playwright.CreateAsync();12 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions13 {14 });15 var page = await browser.NewPageAsync();16 var result = await page.EvaluateAsync<int>("() => { return 1 + 2; }");17 Console.WriteLine(result);18 }19 }20}21using Microsoft.Playwright;22using Microsoft.Playwright.Tests;23using System;24using System.Collections.Generic;25using System.Text;26using System.Threading.Tasks;27{28 {29 static async Task Main(string[] args)30 {31 await using var playwright = await Playwright.CreateAsync();32 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions33 {34 });35 var page = await browser.NewPageAsync();36 var result = await page.EvaluateHandleAsync("() => { return document.body; }");37 Console.WriteLine(result);38 }39 }40}41using Microsoft.Playwright;42using Microsoft.Playwright.Tests;43using System;44using System.Collections.Generic;45using System.Text;46using System.Threading.Tasks;47{48 {49 static async Task Main(string[] args)50 {51 await using var playwright = await Playwright.CreateAsync();52 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions53 {54 });55 var page = await browser.NewPageAsync();56 await page.FillAsync("input[name='q']", "Hello World");57 }58 }59}

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PageEvaluateAsync

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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 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10 {11 });12 var context = await browser.NewContextAsync();13 var page = await context.NewPageAsync();14 var result = await page.EvaluateAsync<string>("() => window.location.href");15 Console.WriteLine(result);16 await browser.CloseAsync();17 }18 }19}20using Microsoft.Playwright;21using System;22using System.Threading.Tasks;23{24 {25 static async Task Main(string[] args)26 {27 using var playwright = await Playwright.CreateAsync();28 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions29 {30 });31 var context = await browser.NewContextAsync();32 var page = await context.NewPageAsync();33 var result = await page.EvaluateAsync<string>("() => window.location.href");34 Console.WriteLine(result);35 await browser.CloseAsync();36 }37 }38}39using Microsoft.Playwright;40using System;41using System.Threading.Tasks;42{43 {44 static async Task Main(string[] args)45 {46 using var playwright = await Playwright.CreateAsync();47 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions48 {49 });50 var context = await browser.NewContextAsync();51 var page = await context.NewPageAsync();52 var result = await page.EvaluateAsync<string>("() => window.location.href");53 Console.WriteLine(result);54 await browser.CloseAsync();55 }56 }57}

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PageEvaluateAsync

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1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Tests;5using Xunit;6using Xunit.Abstractions;7{8 [Collection(TestConstants.TestFixtureBrowserCollectionName)]9 {10 internal PageEvaluateTests(ITestOutputHelper output) : base(output)11 {12 }13 [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]14 public async Task ShouldWork()15 {16 var result = await Page.EvaluateAsync<int>("() => 7 * 3");17 Assert.Equal(21, result);18 }19 }20}21using System;22using System.Threading.Tasks;23using Microsoft.Playwright;24using Microsoft.Playwright.Tests;25using Xunit;26using Xunit.Abstractions;27{28 [Collection(TestConstants.TestFixtureBrowserCollectionName)]29 {30 internal PageEvaluateTests(ITestOutputHelper output) : base(output)31 {32 }33 [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]34 public async Task ShouldTransferNaN()35 {36 var result = await Page.EvaluateAsync<double>("a => a", double.NaN);37 Assert.True(double.IsNaN(result));38 }39 }40}41using System;42using System.Threading.Tasks;43using Microsoft.Playwright;44using Microsoft.Playwright.Tests;45using Xunit;46using Xunit.Abstractions;47{

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PageEvaluateAsync

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1var page = await context.NewPageAsync();2var result = await page.EvaluateAsync("() => 1 + 2");3Console.WriteLine(result.ToString());4var page = await context.NewPageAsync();5var result = await page.EvaluateAsync("() => 1 + 2");6Console.WriteLine(result.ToString());7var page = await context.NewPageAsync();8var result = await page.EvaluateAsync("() => 1 + 2");9Console.WriteLine(result.ToString());10var page = await context.NewPageAsync();11var result = await page.EvaluateAsync("() => 1 + 2");12Console.WriteLine(result.ToString());13var page = await context.NewPageAsync();14var result = await page.EvaluateAsync("() => 1 + 2");15Console.WriteLine(result.ToString());16var page = await context.NewPageAsync();17var result = await page.EvaluateAsync("() => 1 + 2");18Console.WriteLine(result.ToString());19var page = await context.NewPageAsync();20var result = await page.EvaluateAsync("() => 1 + 2");21Console.WriteLine(result.ToString());22var page = await context.NewPageAsync();23var result = await page.EvaluateAsync("

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PageEvaluateAsync

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1var page = await context.NewPageAsync();2var result = await page.EvaluateAsync("() => 5");3Console.WriteLine("Result: " + result);4var page = await context.NewPageAsync();5var elements = await page.QuerySelectorAllAsync("a");6foreach (var element in elements)7{8 Console.WriteLine("Element: " + element);9}10var page = await context.NewPageAsync();11var element = await page.QuerySelectorAsync("a");12Console.WriteLine("Element: " + element);13var page = await context.NewPageAsync();14await page.SetContentAsync("<div>hello</​div>");15var page = await context.NewPageAsync();16await page.SetViewportSizeAsync(500, 500);17var page = await context.NewPageAsync();18var waitTask = page.WaitForEventAsync(PageEvent.Console);19await page.EvaluateAsync("() => console.log('hello')");20var consoleMessage = await waitTask;21Console.WriteLine("Console Message: " + consoleMessage.Text);22var page = await context.NewPageAsync();23await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);24Console.WriteLine("Page loaded");25var page = await context.NewPageAsync();26await page.GotoAsync("

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Most used method in PageEvaluateTests