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How to use EvaluateAsync method of Microsoft.Playwright.Core.Worker class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.Worker.EvaluateAsync

Page.cs

Source:Page.cs

...360            {361                // Swallow exception362            }363        }364        public Task<T> EvaluateAsync<T>(string expression, object arg) => MainFrame.EvaluateAsync<T>(expression, arg);365        public Task<JsonElement?> EvalOnSelectorAsync(string selector, string expression, object arg) => MainFrame.EvalOnSelectorAsync(selector, expression, arg);366        public Task<T> EvalOnSelectorAsync<T>(string selector, string expression, object arg = null, PageEvalOnSelectorOptions options = null)367            => MainFrame.EvalOnSelectorAsync<T>(selector, expression, arg, new() { Strict = options?.Strict });368        public ILocator Locator(string selector, PageLocatorOptions options = default)369            => MainFrame.Locator(selector, new() { HasTextString = options?.HasTextString, HasTextRegex = options?.HasTextRegex, Has = options?.Has });370        public Task<IElementHandle> QuerySelectorAsync(string selector, PageQuerySelectorOptions options = null)371            => MainFrame.QuerySelectorAsync(selector, new() { Strict = options?.Strict });372        public Task<T> EvalOnSelectorAsync<T>(string selector, string expression, object arg) => MainFrame.EvalOnSelectorAsync<T>(selector, expression, arg);373        public Task<JsonElement?> EvalOnSelectorAllAsync(string selector, string expression, object arg) => MainFrame.EvalOnSelectorAllAsync(selector, expression, arg);374        public Task<T> EvalOnSelectorAllAsync<T>(string selector, string expression, object arg) => MainFrame.EvalOnSelectorAllAsync<T>(selector, expression, arg);375        public Task FillAsync(string selector, string value, PageFillOptions options = default)376            => MainFrame.FillAsync(selector, value, new() { NoWaitAfter = options?.NoWaitAfter, Timeout = options?.Timeout, Force = options?.Force, Strict = options?.Strict });377        public Task SetInputFilesAsync(string selector, string files, PageSetInputFilesOptions options = default)378            => MainFrame.SetInputFilesAsync(selector, files, Map(options));379        public Task SetInputFilesAsync(string selector, IEnumerable<string> files, PageSetInputFilesOptions options = default)380            => MainFrame.SetInputFilesAsync(selector, files, Map(options));381        public Task SetInputFilesAsync(string selector, FilePayload files, PageSetInputFilesOptions options = default)382            => MainFrame.SetInputFilesAsync(selector, files, Map(options));383        public Task SetInputFilesAsync(string selector, IEnumerable<FilePayload> files, PageSetInputFilesOptions options = default)384            => MainFrame.SetInputFilesAsync(selector, files, Map(options));385        public Task TypeAsync(string selector, string text, PageTypeOptions options = default)386            => MainFrame.TypeAsync(selector, text, new()387            {388                Delay = options?.Delay,389                NoWaitAfter = options?.NoWaitAfter,390                Timeout = options?.Timeout,391                Strict = options?.Strict,392            });393        public Task FocusAsync(string selector, PageFocusOptions options = default)394            => MainFrame.FocusAsync(selector, new()395            {396                Timeout = options?.Timeout,397                Strict = options?.Strict,398            });399        public Task HoverAsync(string selector, PageHoverOptions options = default)400            => MainFrame.HoverAsync(401                selector,402                new()403                {404                    Position = options?.Position,405                    Modifiers = options?.Modifiers,406                    Force = options?.Force,407                    Timeout = options?.Timeout,408                    Trial = options?.Trial,409                    Strict = options?.Strict,410                });411        public Task PressAsync(string selector, string key, PagePressOptions options = default)412            => MainFrame.PressAsync(selector, key, new()413            {414                Delay = options?.Delay,415                NoWaitAfter = options?.NoWaitAfter,416                Timeout = options?.Timeout,417                Strict = options?.Strict,418            });419        public Task<IReadOnlyList<string>> SelectOptionAsync(string selector, string values, PageSelectOptionOptions options = default)420            => SelectOptionAsync(selector, new[] { values }, options);421        public Task<IReadOnlyList<string>> SelectOptionAsync(string selector, IEnumerable<string> values, PageSelectOptionOptions options = default)422            => SelectOptionAsync(selector, values.Select(x => new SelectOptionValue() { Value = x }), options);423        public Task<IReadOnlyList<string>> SelectOptionAsync(string selector, IElementHandle values, PageSelectOptionOptions options = default)424            => SelectOptionAsync(selector, new[] { values }, options);425        public Task<IReadOnlyList<string>> SelectOptionAsync(string selector, IEnumerable<IElementHandle> values, PageSelectOptionOptions options = default)426            => MainFrame.SelectOptionAsync(selector, values, new()427            {428                NoWaitAfter = options?.NoWaitAfter,429                Timeout = options?.Timeout,430                Force = options?.Force,431                Strict = options?.Strict,432            });433        public Task<IReadOnlyList<string>> SelectOptionAsync(string selector, SelectOptionValue values, PageSelectOptionOptions options = default)434            => SelectOptionAsync(selector, new[] { values }, options);435        public Task<IReadOnlyList<string>> SelectOptionAsync(string selector, IEnumerable<SelectOptionValue> values, PageSelectOptionOptions options = default)436            => MainFrame.SelectOptionAsync(selector, values, new()437            {438                NoWaitAfter = options?.NoWaitAfter,439                Timeout = options?.Timeout,440                Force = options?.Force,441                Strict = options?.Strict,442            });443        public Task WaitForTimeoutAsync(float timeout) => MainFrame.WaitForTimeoutAsync(timeout);444        public Task<IElementHandle> WaitForSelectorAsync(string selector, PageWaitForSelectorOptions options = default)445            => MainFrame.WaitForSelectorAsync(selector, new()446            {447                State = options?.State,448                Timeout = options?.Timeout,449                Strict = options?.Strict,450            });451        public Task<JsonElement?> EvaluateAsync(string expression, object arg) => MainFrame.EvaluateAsync(expression, arg);452        public async Task<byte[]> ScreenshotAsync(PageScreenshotOptions options = default)453        {454            options ??= new PageScreenshotOptions();455            if (options.Type == null && !string.IsNullOrEmpty(options.Path))456            {457                options.Type = ElementHandle.DetermineScreenshotType(options.Path);458            }459            byte[] result = await _channel.ScreenshotAsync(460                path: options.Path,461                fullPage: options.FullPage,462                clip: options.Clip,463                omitBackground: options.OmitBackground,464                type: options.Type,465                quality: options.Quality,...

PageGotoTests.cs

Source:PageGotoTests.cs

...187        [PlaywrightTest("page-goto.spec.ts", "should work when page calls history API in beforeunload")]188        public async Task ShouldWorkWhenPageCallsHistoryAPIInBeforeunload()189        {190            await Page.GotoAsync(Server.EmptyPage);191            await Page.EvaluateAsync(@"() =>192            {193                window.addEventListener('beforeunload', () => history.replaceState(null, 'initial', window.location.href), false);194            }");195            var response = await Page.GotoAsync(Server.Prefix + "/grid.html");196            Assert.AreEqual((int)HttpStatusCode.OK, response.Status);197        }198        [PlaywrightTest("page-goto.spec.ts", "should fail when navigating to bad url")]199        public async Task ShouldFailWhenNavigatingToBadUrl()200        {201            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.GotoAsync("asdfasdf"));202            if (TestConstants.IsChromium || TestConstants.IsWebKit)203            {204                StringAssert.Contains("Cannot navigate to invalid URL", exception.Message);205            }206            else207            {208                StringAssert.Contains("Invalid url", exception.Message);209            }210        }211        [PlaywrightTest("page-goto.spec.ts", "should fail when navigating to bad SSL")]212        public async Task ShouldFailWhenNavigatingToBadSSL()213        {214            Page.Request += (_, e) => Assert.NotNull(e);215            Page.RequestFinished += (_, e) => Assert.NotNull(e);216            Page.RequestFailed += (_, e) => Assert.NotNull(e);217            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.GotoAsync(HttpsServer.Prefix + "/empty.html"));218            TestUtils.AssertSSLError(exception.Message);219        }220        [PlaywrightTest("page-goto.spec.ts", "should fail when navigating to bad SSL after redirects")]221        public async Task ShouldFailWhenNavigatingToBadSSLAfterRedirects()222        {223            Server.SetRedirect("/redirect/1.html", "/redirect/2.html");224            Server.SetRedirect("/redirect/2.html", "/empty.html");225            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.GotoAsync(HttpsServer.Prefix + "/redirect/1.html"));226            TestUtils.AssertSSLError(exception.Message);227        }228        [PlaywrightTest("page-goto.spec.ts", "should not crash when navigating to bad SSL after a cross origin navigation")]229        public async Task ShouldNotCrashWhenNavigatingToBadSSLAfterACrossOriginNavigation()230        {231            await Page.GotoAsync(Server.CrossProcessPrefix + "/empty.html");232            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.GotoAsync(HttpsServer.Prefix + "/empty.html"));233            TestUtils.AssertSSLError(exception.Message);234        }235        [PlaywrightTest("page-goto.spec.ts", "should throw if networkidle0 is passed as an option")]236        [Ignore("We don't need this test")]237        public void ShouldThrowIfNetworkIdle0IsPassedAsAnOption()238        { }239        [PlaywrightTest("page-goto.spec.ts", "should throw if networkidle2 is passed as an option")]240        [Ignore("We don't need this test")]241        public void ShouldThrowIfNetworkIdle2IsPassedAsAnOption()242        { }243        [PlaywrightTest("page-goto.spec.ts", "should throw if networkidle is passed as an option")]244        public async Task ShouldFailWhenMainResourcesFailedToLoad()245        {246            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.GotoAsync("http://localhost:44123/non-existing-url"));247            if (TestConstants.IsChromium)248            {249                StringAssert.Contains("net::ERR_CONNECTION_REFUSED", exception.Message);250            }251            else if (TestConstants.IsWebKit && TestConstants.IsWindows)252            {253                StringAssert.Contains("Couldn't connect to server", exception.Message);254            }255            else if (TestConstants.IsWebKit)256            {257                StringAssert.Contains("Could not connect", exception.Message);258            }259            else260            {261                StringAssert.Contains("NS_ERROR_CONNECTION_REFUSED", exception.Message);262            }263        }264        [PlaywrightTest("page-goto.spec.ts", "should fail when exceeding maximum navigation timeout")]265        public async Task ShouldFailWhenExceedingMaximumNavigationTimeout()266        {267            Server.SetRoute("/empty.html", _ => Task.Delay(-1));268            var exception = await PlaywrightAssert.ThrowsAsync<TimeoutException>(()269                => Page.GotoAsync(Server.EmptyPage, new() { Timeout = 1 }));270            StringAssert.Contains("Timeout 1ms exceeded", exception.Message);271            StringAssert.Contains(Server.EmptyPage, exception.Message);272        }273        [PlaywrightTest("page-goto.spec.ts", "should fail when exceeding maximum navigation timeout")]274        public async Task ShouldFailWhenExceedingDefaultMaximumNavigationTimeout()275        {276            Server.SetRoute("/empty.html", _ => Task.Delay(-1));277            Page.Context.SetDefaultNavigationTimeout(2);278            Page.SetDefaultNavigationTimeout(1);279            var exception = await PlaywrightAssert.ThrowsAsync<TimeoutException>(() => Page.GotoAsync(Server.EmptyPage));280            StringAssert.Contains("Timeout 1ms exceeded", exception.Message);281            StringAssert.Contains(Server.EmptyPage, exception.Message);282        }283        [PlaywrightTest("page-goto.spec.ts", "should fail when exceeding browser context navigation timeout")]284        public async Task ShouldFailWhenExceedingBrowserContextNavigationTimeout()285        {286            Server.SetRoute("/empty.html", _ => Task.Delay(-1));287            Page.Context.SetDefaultNavigationTimeout(2);288            var exception = await PlaywrightAssert.ThrowsAsync<TimeoutException>(() => Page.GotoAsync(Server.EmptyPage));289            StringAssert.Contains("Timeout 2ms exceeded", exception.Message);290            StringAssert.Contains(Server.EmptyPage, exception.Message);291        }292        [PlaywrightTest("page-goto.spec.ts", "should fail when exceeding default maximum timeout")]293        public async Task ShouldFailWhenExceedingDefaultMaximumTimeout()294        {295            Server.SetRoute("/empty.html", _ => Task.Delay(-1));296            Page.Context.SetDefaultTimeout(2);297            Page.SetDefaultTimeout(1);298            var exception = await PlaywrightAssert.ThrowsAsync<TimeoutException>(() => Page.GotoAsync(Server.EmptyPage));299            StringAssert.Contains("Timeout 1ms exceeded", exception.Message);300            StringAssert.Contains(Server.EmptyPage, exception.Message);301        }302        [PlaywrightTest("page-goto.spec.ts", "should fail when exceeding browser context timeout")]303        public async Task ShouldFailWhenExceedingBrowserContextTimeout()304        {305            Server.SetRoute("/empty.html", _ => Task.Delay(-1));306            Page.Context.SetDefaultTimeout(2);307            var exception = await PlaywrightAssert.ThrowsAsync<TimeoutException>(() => Page.GotoAsync(Server.EmptyPage));308            StringAssert.Contains("Timeout 2ms exceeded", exception.Message);309            StringAssert.Contains(Server.EmptyPage, exception.Message);310        }311        [PlaywrightTest("page-goto.spec.ts", "should prioritize default navigation timeout over default timeout")]312        public async Task ShouldPrioritizeDefaultNavigationTimeoutOverDefaultTimeout()313        {314            // Hang for request to the empty.html315            Server.SetRoute("/empty.html", _ => Task.Delay(-1));316            Page.SetDefaultTimeout(0);317            Page.SetDefaultNavigationTimeout(1);318            var exception = await PlaywrightAssert.ThrowsAsync<TimeoutException>(() => Page.GotoAsync(Server.EmptyPage));319            StringAssert.Contains("Timeout 1ms exceeded", exception.Message);320            StringAssert.Contains(Server.EmptyPage, exception.Message);321        }322        [PlaywrightTest("page-goto.spec.ts", "should disable timeout when its set to 0")]323        public async Task ShouldDisableTimeoutWhenItsSetTo0()324        {325            bool loaded = false;326            void OnLoad(object sender, IPage e)327            {328                loaded = true;329                Page.Load -= OnLoad;330            }331            Page.Load += OnLoad;332            await Page.GotoAsync(Server.Prefix + "/grid.html", new() { WaitUntil = WaitUntilState.Load, Timeout = 0 });333            Assert.True(loaded);334        }335        [PlaywrightTest("page-goto.spec.ts", "should fail when replaced by another navigation")]336        public async Task ShouldFailWhenReplacedByAnotherNavigation()337        {338            Task anotherTask = null;339            // Hang for request to the empty.html340            Server.SetRoute("/empty.html", _ =>341            {342                anotherTask = Page.GotoAsync(Server.Prefix + "/one-style.html");343                return Task.Delay(-1);344            });345            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.GotoAsync(Server.EmptyPage));346            await anotherTask;347            if (TestConstants.IsChromium)348            {349                StringAssert.Contains("net::ERR_ABORTED", exception.Message);350            }351            else if (TestConstants.IsWebKit)352            {353                StringAssert.Contains("Navigation interrupted by another one", exception.Message);354            }355            else356            {357                StringAssert.Contains("NS_BINDING_ABORTED", exception.Message);358            }359        }360        [PlaywrightTest("page-goto.spec.ts", "should work when navigating to valid url")]361        public async Task ShouldWorkWhenNavigatingToValidUrl()362        {363            var response = await Page.GotoAsync(Server.EmptyPage);364            Assert.AreEqual((int)HttpStatusCode.OK, response.Status);365        }366        [PlaywrightTest("page-goto.spec.ts", "should work when navigating to data url")]367        public async Task ShouldWorkWhenNavigatingToDataUrl()368        {369            var response = await Page.GotoAsync("data:text/html,hello");370            Assert.Null(response);371        }372        [PlaywrightTest("page-goto.spec.ts", "should work when navigating to 404")]373        public async Task ShouldWorkWhenNavigatingTo404()374        {375            var response = await Page.GotoAsync(Server.Prefix + "/not-found");376            Assert.AreEqual((int)HttpStatusCode.NotFound, response.Status);377        }378        [PlaywrightTest("page-goto.spec.ts", "should return last response in redirect chain")]379        public async Task ShouldReturnLastResponseInRedirectChain()380        {381            Server.SetRedirect("/redirect/1.html", "/redirect/2.html");382            Server.SetRedirect("/redirect/2.html", "/redirect/3.html");383            Server.SetRedirect("/redirect/3.html", Server.EmptyPage);384            var response = await Page.GotoAsync(Server.Prefix + "/redirect/1.html");385            Assert.AreEqual((int)HttpStatusCode.OK, response.Status);386            Assert.AreEqual(Server.EmptyPage, response.Url);387        }388        [PlaywrightTest("page-goto.spec.ts", "should not leak listeners during navigation")]389        [Ignore("We don't need this test")]390        public void ShouldNotLeakListenersDuringNavigation()391        { }392        [PlaywrightTest("page-goto.spec.ts", "should not leak listeners during bad navigation")]393        [Ignore("We don't need this test")]394        public void ShouldNotLeakListenersDuringBadNavigation()395        { }396        [PlaywrightTest("page-goto.spec.ts", "should not leak listeners during navigation of 11 pages")]397        [Ignore("We don't need this test")]398        public void ShouldNotLeakListenersDuringNavigationOf11Pages()399        { }400        [PlaywrightTest("page-goto.spec.ts", "should navigate to dataURL and not fire dataURL requests")]401        public async Task ShouldNavigateToDataURLAndNotFireDataURLRequests()402        {403            var requests = new List<IRequest>();404            Page.Request += (_, e) => requests.Add(e);405            string dataUrl = "data:text/html,<div>yo</div>";406            var response = await Page.GotoAsync(dataUrl);407            Assert.Null(response);408            Assert.IsEmpty(requests);409        }410        [PlaywrightTest("page-goto.spec.ts", "should navigate to URL with hash and fire requests without hash")]411        public async Task ShouldNavigateToURLWithHashAndFireRequestsWithoutHash()412        {413            var requests = new List<IRequest>();414            Page.Request += (_, e) => requests.Add(e);415            var response = await Page.GotoAsync(Server.EmptyPage + "#hash");416            Assert.AreEqual((int)HttpStatusCode.OK, response.Status);417            Assert.AreEqual(Server.EmptyPage, response.Url);418            Assert.That(requests, Has.Count.EqualTo(1));419            Assert.AreEqual(Server.EmptyPage, requests[0].Url);420        }421        [PlaywrightTest("page-goto.spec.ts", "should work with self requesting page")]422        public async Task ShouldWorkWithSelfRequestingPage()423        {424            var response = await Page.GotoAsync(Server.Prefix + "/self-request.html");425            Assert.AreEqual((int)HttpStatusCode.OK, response.Status);426            StringAssert.Contains("self-request.html", response.Url);427        }428        [PlaywrightTest("page-goto.spec.ts", "should fail when navigating and show the url at the error message")]429        public async Task ShouldFailWhenNavigatingAndShowTheUrlAtTheErrorMessage()430        {431            string url = HttpsServer.Prefix + "/redirect/1.html";432            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.GotoAsync(url));433            StringAssert.Contains(url, exception.Message);434        }435        [PlaywrightTest("page-goto.spec.ts", "should be able to navigate to a page controlled by service worker")]436        public async Task ShouldBeAbleToNavigateToAPageControlledByServiceWorker()437        {438            await Page.GotoAsync(Server.Prefix + "/serviceworkers/fetch/sw.html");439            await Page.EvaluateAsync("() => window.activationPromise");440            await Page.GotoAsync(Server.Prefix + "/serviceworkers/fetch/sw.html");441        }442        [PlaywrightTest("page-goto.spec.ts", "should send referer")]443        public async Task ShouldSendReferer()444        {445            string referer1 = null;446            string referer2 = null;447            await TaskUtils.WhenAll(448                Server.WaitForRequest("/grid.html", r => referer1 = r.Headers["Referer"]),449                Server.WaitForRequest("/digits/1.png", r => referer2 = r.Headers["Referer"]),450                Page.GotoAsync(Server.Prefix + "/grid.html", new() { Referer = "http://google.com/" })451            );452            Assert.AreEqual("http://google.com/", referer1);453            // Make sure subresources do not inherit referer....

Worker.cs

Source:Worker.cs

...55        ChannelBase IChannelOwner.Channel => _channel;56        IChannel<Worker> IChannelOwner<Worker>.Channel => _channel;57        internal Page Page { get; set; }58        internal BrowserContext BrowserContext { get; set; }59        public async Task<T> EvaluateAsync<T>(string expression, object arg = null)60            => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvaluateExpressionAsync(61                expression,62                null,63                ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));64        public async Task<IJSHandle> EvaluateHandleAsync(string expression, object arg = null)65            => await _channel.EvaluateExpressionHandleAsync(66                expression,67                null,68                ScriptsHelper.SerializedArgument(arg))69            .ConfigureAwait(false);70        public async Task<IWorker> WaitForCloseAsync(Func<Task> action = default, float? timeout = default)71        {72            using var waiter = new Waiter(this, "worker.WaitForCloseAsync");73            var waiterResult = waiter.GetWaitForEventTask<IWorker>(this, nameof(Close), null);...

EvaluateAsync

Using AI Code Generation

1using Microsoft.Playwright.Core;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            var browser = await playwright.Chromium.LaunchAsync();10            var page = await browser.NewPageAsync();11            var worker = await page.EvaluateHandleAsync(@"() => new Worker('worker.js', {{ type: 'module' }})");12            var result = await worker.EvaluateAsync<int>("() => 1 + 2");13            Console.WriteLine(result);14            await browser.CloseAsync();15        }16    }17}18console.log('Hello from worker');

EvaluateAsync

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            Console.WriteLine("Hello World!");9            using var playwright = await Playwright.CreateAsync();10            var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions { Headless = false });11            var page = await browser.NewPageAsync();12            var worker = await page.EvaluateHandleAsync("() => new Worker(URL.createObjectURL(new Blob(['console.log(1)'], {type: 'application/javascript'})))");13            await worker.EvaluateAsync("worker => worker.terminate()");14        }15    }16}

EvaluateAsync

Using AI Code Generation

1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync();3var page = await browser.NewPageAsync();4await page.EvaluateAsync(@"5    () => {6    }7");8await browser.CloseAsync();9await playwright.StopAsync();10var playwright = await Playwright.CreateAsync();11var browser = await playwright.Chromium.LaunchAsync();12var page = await browser.NewPageAsync();13await page.EvaluateAsync(@"14    () => {15    }16");17await browser.CloseAsync();18await playwright.StopAsync();19var playwright = await Playwright.CreateAsync();20var browser = await playwright.Chromium.LaunchAsync();21var page = await browser.NewPageAsync();22await page.MainFrame.EvaluateAsync(@"23    () => {24    }25");26await browser.CloseAsync();27await playwright.StopAsync();28var playwright = await Playwright.CreateAsync();29var browser = await playwright.Chromium.LaunchAsync();30var page = await browser.NewPageAsync();31await page.MainFrame.EvaluateAsync(@"32    () => {33    }34");35await browser.CloseAsync();36await playwright.StopAsync();37var playwright = await Playwright.CreateAsync();38var browser = await playwright.Chromium.LaunchAsync();39var page = await browser.NewPageAsync();40await page.MainFrame.EvaluateAsync(@"41    () => {42    }43");44await browser.CloseAsync();45await playwright.StopAsync();

EvaluateAsync

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 worker = await page.WorkerAsync();14            var result = await worker.EvaluateAsync<int>("() => 1 + 2");15            var workerWithUrl = await page.WorkerAsync("

EvaluateAsync

Using AI Code Generation

1using Microsoft.Playwright.Core;2using System.Threading.Tasks;3{4    {5        public async Task WorkerDemoAsync()6        {7            var worker = await Playwright.CreateWorkerAsync(new WorkerOptions()8            {9            });10            var result = await worker.EvaluateAsync("1 + 2");11            await worker.DisposeAsync();12        }13    }14}15using Microsoft.Playwright.Core;16using System.Threading.Tasks;17{18    {19        public async Task WorkerDemoAsync()20        {21            var browser = await Playwright.CreateBrowserAsync();22            var context = await browser.NewContextAsync();23            var worker = await context.EvaluateAsync<Worker>("() => new Worker('1.js')");24            var result = await worker.EvaluateAsync("1 + 2");25            await worker.DisposeAsync();26            await context.DisposeAsync();27            await browser.DisposeAsync();28        }29    }30}31using Microsoft.Playwright.Core;32using System.Threading.Tasks;33{34    {35        public async Task WorkerDemoAsync()36        {37            var browser = await Playwright.CreateBrowserAsync();38            var context = await browser.NewContextAsync();39            var page = await context.NewPageAsync();40            var worker = await page.EvaluateAsync<Worker>("() => new Worker('1.js')");41            var result = await worker.EvaluateAsync("1 + 2");42            await worker.DisposeAsync();43            await page.DisposeAsync();44            await context.DisposeAsync();45            await browser.DisposeAsync();46        }47    }48}

Playwright tutorial

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