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How to use EvaluateHandleAsync method of Microsoft.Playwright.Core.JSHandle class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.JSHandle.EvaluateHandleAsync

JSHandle.cs

Source:JSHandle.cs

...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)...

EvaluateHandleAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Core;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(new BrowserTypeLaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            var searchInput = await page.QuerySelectorAsync("input[name=q]");15            var searchInputHandle = await searchInput.EvaluateHandleAsync("el => el");16            var searchInputHandleAsElement = (IElementHandle)searchInputHandle;17            await searchInputHandleAsElement.FocusAsync();18            await Task.Delay(2000);19            await searchInputHandleAsElement.TypeAsync("Hello World");20            await Task.Delay(2000);21            await searchInputHandleAsElement.PressAsync("Enter");22            await Task.Delay(2000);23            await browser.CloseAsync();24        }25    }26}

EvaluateHandleAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Core;5using Microsoft.Playwright.Transport.Channels;6{7    {8        static async Task Main(string[] args)9        {10            using var playwright = await Playwright.CreateAsync();11            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions12            {13            });14            var page = await browser.NewPageAsync();15            var searchElement = await page.QuerySelectorAsync("input[name=q]");16            var inputHandle = await searchElement.EvaluateHandleAsync("input => input");17            var inputType = await inputHandle.EvaluateAsync<string>("input => input.type");18            Console.WriteLine("inputType: " + inputType);19        }20    }21}

EvaluateHandleAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;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 page = await browser.NewPageAsync();

EvaluateHandleAsync

Using AI Code Generation

1var playwright = await Playwright.CreateAsync();2await using var browser = await playwright.Chromium.LaunchAsync();3var page = await browser.NewPageAsync();4var element = await page.QuerySelectorAsync("input[name='q']");5var handle = await element.EvaluateHandleAsync("element => element");6Console.WriteLine(handle.ToString());7await browser.CloseAsync();8var playwright = await Playwright.CreateAsync();9await using var browser = await playwright.Chromium.LaunchAsync();10var page = await browser.NewPageAsync();11var element = await page.QuerySelectorAsync("input[name='q']");12var handle = await element.EvaluateHandleAsync("element => element");13Console.WriteLine(handle.ToString());14await browser.CloseAsync();15var playwright = await Playwright.CreateAsync();16await using var browser = await playwright.Chromium.LaunchAsync();17var page = await browser.NewPageAsync();18var element = await page.QuerySelectorAsync("input[name='q']");19var handle = await element.EvaluateHandleAsync("element => element");20Console.WriteLine(handle.ToString());21await browser.CloseAsync();22var playwright = await Playwright.CreateAsync();23await using var browser = await playwright.Chromium.LaunchAsync();24var page = await browser.NewPageAsync();25var element = await page.QuerySelectorAsync("input[name='q']");26var handle = await element.EvaluateHandleAsync("element => element");27Console.WriteLine(handle.ToString());28await browser.CloseAsync();29var playwright = await Playwright.CreateAsync();30await using var browser = await playwright.Chromium.LaunchAsync();31var page = await browser.NewPageAsync();32var element = await page.QuerySelectorAsync("input[name='q']");33var handle = await element.EvaluateHandleAsync("element => element");34Console.WriteLine(handle.ToString());

EvaluateHandleAsync

Using AI Code Generation

1var jsHandle = await page.EvaluateHandleAsync("() => document.body");2var properties = await jsHandle.GetPropertiesAsync();3var tagNameProperty = await properties["tagName"];4Console.WriteLine(await tagNameProperty.JsonValueAsync<string>());5await jsHandle.DisposeAsync();6var jsHandle = await page.EvaluateHandleAsync("() => document.body");7var properties = await jsHandle.GetPropertiesAsync();8var tagNameProperty = await properties["tagName"];9Console.WriteLine(await tagNameProperty.JsonValueAsync<string>());10await jsHandle.DisposeAsync();11var jsHandle = await page.EvaluateHandleAsync("() => document.body");12var properties = await jsHandle.GetPropertiesAsync();13var tagNameProperty = await properties["tagName"];14Console.WriteLine(await tagNameProperty.JsonValueAsync<string>());15await jsHandle.DisposeAsync();16var jsHandle = await page.EvaluateHandleAsync("() => document.body");17var properties = await jsHandle.GetPropertiesAsync();18var tagNameProperty = await properties["tagName"];19Console.WriteLine(await tagNameProperty.JsonValueAsync<string>());20await jsHandle.DisposeAsync();21var jsHandle = await page.EvaluateHandleAsync("() => document.body");22var properties = await jsHandle.GetPropertiesAsync();23var tagNameProperty = await properties["tagName"];24Console.WriteLine(await tagNameProperty.JsonValueAsync<string>());25await jsHandle.DisposeAsync();26var jsHandle = await page.EvaluateHandleAsync("() => document.body");27var properties = await jsHandle.GetPropertiesAsync();28var tagNameProperty = await properties["tagName"];29Console.WriteLine(await tagNameProperty.JsonValueAsync<string>());30await jsHandle.DisposeAsync();31var jsHandle = await page.EvaluateHandleAsync("() => document.body");32var properties = await jsHandle.GetPropertiesAsync();33var tagNameProperty = await properties["tagName"];34Console.WriteLine(await tagNameProperty.JsonValueAsync<string>());35await jsHandle.DisposeAsync();

EvaluateHandleAsync

Using AI Code Generation

1using Microsoft.Playwright;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            using var playwright = await Playwright.CreateAsync();8            await using var browser = await playwright.Firefox.LaunchAsync();9            var page = await browser.NewPageAsync();10            var input = await page.QuerySelectorAsync("input[name='q']");11            var jsHandle = await input.EvaluateHandleAsync("input => input");12            var properties = await jsHandle.GetPropertiesAsync();13            var value = await properties["value"].JsonValueAsync();14            await jsHandle.DisposeAsync();15            await browser.CloseAsync();16        }17    }18}

EvaluateHandleAsync

Using AI Code Generation

1var page = await browser.NewPageAsync();2var handle = await page.QuerySelectorAsync("head");3var result = await handle.EvaluateHandleAsync("h => h");4Console.WriteLine(result.ToString());5await browser.CloseAsync();6var page = await browser.NewPageAsync();7var handle = await page.QuerySelectorAsync("head");8var result = await handle.EvaluateAsync("h => h");9Console.WriteLine(result.ToString());10await browser.CloseAsync();11var page = await browser.NewPageAsync();12var handle = await page.QuerySelectorAsync("head");13var result = await handle.EvaluateAsync("h => h");14Console.WriteLine(result.ToString());15await browser.CloseAsync();16var page = await browser.NewPageAsync();17var handle = await page.QuerySelectorAsync("head");18var result = await handle.EvaluateHandleAsync("h => h");19Console.WriteLine(result.ToString());20await browser.CloseAsync();21var page = await browser.NewPageAsync();22var handle = await page.QuerySelectorAsync("head");23var result = await handle.EvaluateHandleAsync("h => h");24Console.WriteLine(result.ToString());25await browser.CloseAsync();

EvaluateHandleAsync

Using AI Code Generation

1using System.Threading.Tasks;2using Microsoft.Playwright;3using Microsoft.Playwright.Core;4using Microsoft.Playwright.Transport;5using Microsoft.Playwright.Transport.Channels;6{7    {8        static async Task Main(string[] args)9        {10            using var playwright = await Playwright.CreateAsync();11            await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions12            {13            });14            var page = await browser.NewPageAsync();15            var handle = await page.EvaluateHandleAsync("() => document.body");16            await page.EvaluateAsync("() => document.body.style.background = 'red'");17            await page.EvaluateAsync("() => document.body.style.background = 'green'");18            await page.EvaluateAsync("() => document.body.style.background = 'blue'");19            await page.EvaluateAsync("() => document.body.style.background = 'yellow'");20            await page.EvaluateAsync("() => document.body.style.background = 'purple'");21            await page.EvaluateAsync("() => document.body.style.background = 'orange'");22            await page.EvaluateAsync("() => document.body.style.background = 'grey'");23            await page.EvaluateAsync("() => document.body.style.background = 'black'");24            await page.EvaluateAsync("() => document.body.style.background = 'white'");25            await page.EvaluateAsync("() => document.body.style.background = 'pink'");26            await page.EvaluateAsync("() => document.body.style.background = 'brown'");27            await page.EvaluateAsync("() => document.body.style.background = 'cyan'");28            await page.EvaluateAsync("() => document.body.style.background = 'magenta'");29            await page.EvaluateAsync("() => document.body.style.background = 'violet'");30            await page.EvaluateAsync("() => document.body.style.background = 'indigo'");31            await page.EvaluateAsync("() => document.body.style.background = 'lime'");32            await page.EvaluateAsync("() => document.body.style.background = 'teal'");33            await page.EvaluateAsync("() => document.body.style.background = 'maroon'");34            await page.EvaluateAsync("() => document.body.style.background = 'navy'");35            await page.EvaluateAsync("() => document.body.style.background = 'olive'");36            await page.EvaluateAsync("() => document.body.style.background = 'coral'");

Playwright tutorial

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