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

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

PageEvaluateAsync

Using AI Code Generation

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;

PageEvaluateAsync

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            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

PageEvaluateAsync

Using AI Code Generation

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}

PageEvaluateAsync

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 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}

PageEvaluateAsync

Using AI Code Generation

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{

PageEvaluateAsync

Using AI Code Generation

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("

PageEvaluateAsync

Using AI Code Generation

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("

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.