How to use AddScriptTagAsync method of PuppeteerSharp.Page class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Page.AddScriptTagAsync

FacebookRegistration.cs

Source:FacebookRegistration.cs Github

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...150 await page.EvaluateExpressionAsync(anticaptchaScriptText);151 anticaptchaScriptText = File.ReadAllText(Path.GetFullPath(".\\Data\\recaptchaaifb.js"));152 await page.EvaluateExpressionAsync(anticaptchaScriptText);153 //targets[8].154 //await page.AddScriptTagAsync(new AddTagOptions { Content= anticaptchaScriptText });155 //await page.WaitForSelectorAsync(".antigate_solver.solved", new WaitForSelectorOptions { Timeout = 120 * 1000 });156 // await page.ClickAsync("input[type=submit]");157 //await page.WaitForNavigationAsync();158 try { await page.WaitForTimeoutAsync(90 * 1000); } catch { }159 await SolveRecaptcha(page, ++deep);160 }161 }162 private async Task ClickSubmit(Page page)163 {164 var elSignUp = await page.QuerySelectorAsync("button[type=submit]");165 await elSignUp.ClickAsync();166 await page.WaitForTimeoutAsync(500);167 }168 private async Task FillPhoneAgain(Page page)169 {170 var eSendCode = await page.QuerySelectorAsync("button[name='submit[set_contact_point_primary_button]']");171 if (eSendCode == null) return;172 var selCountries = "ul[role=menu] a>span>span";173 var eCountries = await page.QuerySelectorAllAsync(selCountries);174 if (eCountries == null) return;175 var jsAltMailList = $@"Array.from(document.querySelectorAll('{selCountries}')).map(a => a.innerText);";176 var countries = await page.EvaluateExpressionAsync<string[]>(jsAltMailList);177 // код страны +44178 var country = countries.FirstOrDefault(z => z.Contains($"(+{_countryPrefix})"));179 var idx = Array.IndexOf(countries, country);180 if (eCountries.Length > idx) await eCountries[idx].ClickAsync();181 var ePhone = await page.QuerySelectorAsync("input[type=tel]");182 await ePhone.TypeAsync(_data.Phone.Replace($"+{_countryPrefix}", ""), _typeOptions);183 await eSendCode.ClickAsync();184 }185 #endregion186 #region else187 private async static Task SetHooks(Page page)188 {189 //await page.SetRequestInterceptionAsync(true);190 //page.Request += Page_Request;191 //page.Response += Page_Response;192 page.FrameAttached += Page_FrameAttached;193 page.FrameNavigated += Page_FrameNavigated;194 page.WorkerCreated += Page_WorkerCreated;195 }196 private static void Page_WorkerCreated(object sender, WorkerEventArgs e)197 {198 Log.Info($"{nameof(Page_WorkerCreated)} {e.Worker.Url}");199 }200 private async static void Page_FrameNavigated(object sender, FrameEventArgs e)201 {202 Log.Info($"{nameof(Page_FrameNavigated)} {e.Frame.Url}");203 //if (e.Frame.Url.Contains("referer_frame"))204 //{205 // var anticaptchaScriptText = File.ReadAllText(Path.GetFullPath(".\\Data\\recaptchaaifb.js"));206 // //await e.Frame.AddScriptTagAsync(new AddTagOptions { Url = "https://cdn.antcpt.com/imacros_inclusion/recaptcha.js" });207 // await e.Frame.AddScriptTagAsync(new AddTagOptions { Content = anticaptchaScriptText });208 //}209 }210 private async static void Page_FrameAttached(object sender, FrameEventArgs e)211 {212 Log.Info($"{nameof(Page_FrameAttached)} {e.Frame.Url}");213 //var anticaptchaScriptText = File.ReadAllText(Path.GetFullPath(".\\Data\\init.js"));214 //anticaptchaScriptText = anticaptchaScriptText.Replace("YOUR-ANTI-CAPTCHA-API-KEY", AntiCaptchaOnlineApi.GetApiKeyAnticaptcha());215 //await e.Frame.EvaluateExpressionAsync(anticaptchaScriptText);216 //anticaptchaScriptText = File.ReadAllText(Path.GetFullPath(".\\Data\\recaptchaaifb.js"));217 //await e.Frame.EvaluateExpressionAsync(anticaptchaScriptText);218 //await e.Frame.AddScriptTagAsync(new AddTagOptions { Url = "https://cdn.antcpt.com/imacros_inclusion/recaptcha.js" });219 }220 private static async void Page_Response(object sender, ResponseCreatedEventArgs e)221 {222 Log.Info($"Page_Response {e.Response.Request.Url}");223 if (e.Response.Request.Url.Contains("referer_frame"))224 {225 var body = await e.Response.TextAsync();226 //await e.Response.Request.RespondAsync(new ResponseData { Body = body });227 }228 }229 private static async void Page_Request(object sender, RequestEventArgs e)230 {231 //if (e.Request.Url.Contains("referer_frame"))232 //{...

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CaptchaControl.cs

Source:CaptchaControl.cs Github

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...57 anticaptchaScriptText = anticaptchaScriptText.Replace("YOUR-ANTI-CAPTCHA-API-KEY", _apiKeyAnticaptcha);58 await page.EvaluateExpressionAsync(anticaptchaScriptText);59 //anticaptchaScriptText = File.ReadAllText(Path.GetFullPath(".\\Data\\1.js"));60 //await page.EvaluateExpressionAsync(anticaptchaScriptText);61 //await page.AddScriptTagAsync(new AddTagOptions { Content = anticaptchaScriptText });62 await page.AddScriptTagAsync("https://cdn.antcpt.com/imacros_inclusion/recaptcha.js");63 await page.WaitForSelectorAsync(".antigate_solver.solved", new WaitForSelectorOptions { Timeout = 120 * 1000 });64 await page.ClickAsync("input[type=submit]");65 //await page.WaitForNavigationAsync();66 }67 68 }69 private async Task<Page> PageInit(Browser browser, bool isIncognito = false)70 {71 Page page;72 if (isIncognito)73 {74 var context = await browser.CreateIncognitoBrowserContextAsync();75 page = await context.NewPageAsync();76 }...

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SmartScrapper.cs

Source:SmartScrapper.cs Github

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...100 {101 if (CustomScripts?.Any() ?? false)102 {103 foreach(var script in CustomScripts)104 await page.AddScriptTagAsync(script);105 }106 else107 {108 await page.AddScriptTagAsync("http://lychee.scrapper.localhost/Scripts/ScrapperFunctions.js"); //add custom scrapper functions109 await page.AddScriptTagAsync("http://lychee.scrapper.localhost/Scripts/jquery-3.3.1.min.js"); //add jquery for faster searching for element110 //await page.EvaluateFunctionAsync(@"(url1, url2) => {111 //var scriptTag = document.createElement('script');112 //scriptTag.src = url1;113 //var scriptTag2 = document.createElement('script');114 //scriptTag2.src = url2;115 //document.body.appendChild(scriptTag);116 //document.body.appendChild(scriptTag2);}", "http://lychee.scrapper.localhost/Scripts/ScrapperFunctions.js", "http://lychee.scrapper.localhost/Scripts/jquery-3.3.1.min.js");117 }118 }119 }120}...

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ChromeClient.cs

Source:ChromeClient.cs Github

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...123 DefaultViewport = null124 };125 Browser = extra.LaunchAsync(options).Result;126 Page = Browser.PagesAsync().Result[0];127 Page.AddScriptTagAsync(new AddTagOptions128 {129 Content = Resources.base64130 }).Wait();131 Page.AddScriptTagAsync(new AddTagOptions132 {133 Content = Resources.hashes_min134 }).Wait();135 Page.AddScriptTagAsync(new AddTagOptions136 {137 Content = Resources.jsbn138 }).Wait();139 Page.AddScriptTagAsync(new AddTagOptions140 {141 Content = Resources.jsbn2142 }).Wait();143 Page.AddScriptTagAsync(new AddTagOptions144 {145 Content = Resources.scrypt146 }).Wait();147 Page.AddScriptTagAsync(new AddTagOptions148 {149 Content = Resources.srp150 }).Wait();151 Page.AddScriptTagAsync(new AddTagOptions152 {153 Content = Resources.chrome_client154 }).Wait();155 IsReady = true;156 return this;157 }158 }159}...

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SetBypassCSPTests.cs

Source:SetBypassCSPTests.cs Github

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...16 public async Task ShouldBypassCSPMetaTag()17 {18 // Make sure CSP prohibits addScriptTag.19 await Page.GoToAsync(TestConstants.ServerUrl + "/csp.html");20 await Page.AddScriptTagAsync(new AddTagOptions21 {22 Content = "window.__injected = 42;"23 }).ContinueWith(_ => Task.CompletedTask);24 Assert.Null(await Page.EvaluateExpressionAsync("window.__injected"));25 // By-pass CSP and try one more time.26 await Page.SetBypassCSPAsync(true);27 await Page.ReloadAsync();28 await Page.AddScriptTagAsync(new AddTagOptions29 {30 Content = "window.__injected = 42;"31 });32 Assert.Equal(42, await Page.EvaluateExpressionAsync<int>("window.__injected"));33 }34 [PuppeteerTest("page.spec.ts", "Page.setBypassCSP", "should bypass CSP header")]35 [SkipBrowserFact(skipFirefox: true)]36 public async Task ShouldBypassCSPHeader()37 {38 // Make sure CSP prohibits addScriptTag.39 Server.SetCSP("/empty.html", "default-src 'self'");40 await Page.GoToAsync(TestConstants.EmptyPage);41 await Page.AddScriptTagAsync(new AddTagOptions42 {43 Content = "window.__injected = 42;"44 }).ContinueWith(_ => Task.CompletedTask);45 Assert.Null(await Page.EvaluateExpressionAsync("window.__injected"));46 // By-pass CSP and try one more time.47 await Page.SetBypassCSPAsync(true);48 await Page.ReloadAsync();49 await Page.AddScriptTagAsync(new AddTagOptions50 {51 Content = "window.__injected = 42;"52 });53 Assert.Equal(42, await Page.EvaluateExpressionAsync<int>("window.__injected"));54 }55 [PuppeteerTest("page.spec.ts", "Page.setBypassCSP", "should bypass after cross-process navigation")]56 [SkipBrowserFact(skipFirefox: true)]57 public async Task ShouldBypassAfterCrossProcessNavigation()58 {59 await Page.SetBypassCSPAsync(true);60 await Page.GoToAsync(TestConstants.ServerUrl + "/csp.html");61 await Page.AddScriptTagAsync(new AddTagOptions62 {63 Content = "window.__injected = 42;"64 });65 Assert.Equal(42, await Page.EvaluateExpressionAsync<int>("window.__injected"));66 await Page.GoToAsync(TestConstants.CrossProcessUrl + "/csp.html");67 await Page.AddScriptTagAsync(new AddTagOptions68 {69 Content = "window.__injected = 42;"70 });71 Assert.Equal(42, await Page.EvaluateExpressionAsync<int>("window.__injected"));72 }73 [PuppeteerTest("page.spec.ts", "Page.setBypassCSP", "should bypass CSP in iframes as well")]74 [SkipBrowserFact(skipFirefox: true)]75 public async Task ShouldBypassCSPInIframesAsWell()76 {77 await Page.GoToAsync(TestConstants.EmptyPage);78 // Make sure CSP prohibits addScriptTag in an iframe.79 var frame = await FrameUtils.AttachFrameAsync(Page, "frame1", TestConstants.ServerUrl + "/csp.html");80 await frame.AddScriptTagAsync(new AddTagOptions81 {82 Content = "window.__injected = 42;"83 }).ContinueWith(_ => Task.CompletedTask);84 Assert.Null(await frame.EvaluateFunctionAsync<int?>("() => window.__injected"));85 // By-pass CSP and try one more time.86 await Page.SetBypassCSPAsync(true);87 await Page.ReloadAsync();88 // Make sure CSP prohibits addScriptTag in an iframe.89 frame = await FrameUtils.AttachFrameAsync(Page, "frame1", TestConstants.ServerUrl + "/csp.html");90 await frame.AddScriptTagAsync(new AddTagOptions91 {92 Content = "window.__injected = 42;"93 }).ContinueWith(_ => Task.CompletedTask);94 Assert.Equal(42, await frame.EvaluateFunctionAsync<int?>("() => window.__injected"));95 }96 }97}...

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AddScriptTagTests.cs

Source:AddScriptTagTests.cs Github

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...14 [Fact]15 public async Task ShouldThrowAnErrorIfNoOptionsAreProvided()16 {17 var exception = await Assert.ThrowsAsync<ArgumentException>(()18 => Page.AddScriptTagAsync(new AddTagOptions()));19 Assert.Equal("Provide options with a `Url`, `Path` or `Content` property", exception.Message);20 }21 [Fact]22 public async Task ShouldWorkWithAUrl()23 {24 await Page.GoToAsync(TestConstants.EmptyPage);25 var scriptHandle = await Page.AddScriptTagAsync(new AddTagOptions { Url = "/injectedfile.js" });26 Assert.NotNull(scriptHandle as ElementHandle);27 Assert.Equal(42, await Page.EvaluateExpressionAsync<int>("__injected"));28 }29 [Fact]30 public async Task ShouldThrowAnErrorIfLoadingFromUrlFail()31 {32 await Page.GoToAsync(TestConstants.EmptyPage);33 var exception = await Assert.ThrowsAsync<PuppeteerException>(()34 => Page.AddScriptTagAsync(new AddTagOptions { Url = "/nonexistfile.js" }));35 Assert.Equal("Loading script from /nonexistfile.js failed", exception.Message);36 }37 [Fact]38 public async Task ShouldWorkWithAPath()39 {40 await Page.GoToAsync(TestConstants.EmptyPage);41 var scriptHandle = await Page.AddScriptTagAsync(new AddTagOptions42 {43 Path = Path.Combine(Directory.GetCurrentDirectory(), Path.Combine("assets", "injectedfile.js"))44 });45 Assert.NotNull(scriptHandle as ElementHandle);46 Assert.Equal(42, await Page.EvaluateExpressionAsync<int>("__injected"));47 }48 [Fact]49 public async Task ShouldIncludeSourcemapWhenPathIsProvided()50 {51 await Page.GoToAsync(TestConstants.EmptyPage);52 await Page.AddScriptTagAsync(new AddTagOptions53 {54 Path = Path.Combine(Directory.GetCurrentDirectory(), Path.Combine("assets", "injectedfile.js"))55 });56 var result = await Page.EvaluateExpressionAsync<string>("__injectedError.stack");57 Assert.Contains(Path.Combine("assets", "injectedfile.js"), result);58 }59 [Fact]60 public async Task ShouldWorkWithContent()61 {62 await Page.GoToAsync(TestConstants.EmptyPage);63 var scriptHandle = await Page.AddScriptTagAsync(new AddTagOptions { Content = "window.__injected = 35;" });64 Assert.NotNull(scriptHandle as ElementHandle);65 Assert.Equal(35, await Page.EvaluateExpressionAsync<int>("__injected"));66 }67 }68}...

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PuppeteerExtensions.cs

Source:PuppeteerExtensions.cs Github

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...27 try28 {29 foreach (var jsFile in jsScripts)30 {31 await page.AddScriptTagAsync(new AddTagOptions32 {33 Path = $"ClientScripts/{jsFile}"34 }); ;35 }36 }37 catch { }38 };39 }40 return page;41 }42 public static async Task<Response> GoToWithRetryAsync(this Page page, string url, int maxRetries, NavigationOptions navigationOptions)43 {44 var loaded = false;45 var attempt = 1;...

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AddTagOptions.cs

Source:AddTagOptions.cs Github

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1namespace PuppeteerSharp2{3 /// <summary>4 /// Options used by <see cref="Page.AddScriptTagAsync(AddTagOptions)"/> &amp; <see cref="Page.AddStyleTagAsync(AddTagOptions)"/>5 /// </summary>6 public class AddTagOptions7 {8 /// <summary>9 /// Url of a script to be added10 /// </summary>11 public string Url { get; set; }12 /// <summary>13 /// Path to the JavaScript file to be injected into frame. If its a relative path, then it is resolved relative to <see cref="System.IO.Directory.GetCurrentDirectory"/>14 /// </summary>15 public string Path { get; set; }16 /// <summary>17 /// Raw JavaScript content to be injected into frame18 /// </summary>...

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AddScriptTagAsync

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var options = new LaunchOptions { Headless = true };9 using (var browser = await Puppeteer.LaunchAsync(options))10 using (var page = await browser.NewPageAsync())11 {12 await page.SetRequestInterceptionAsync(true);13 page.Request += async (sender, e) =>14 {15 if (e.Request.ResourceType == ResourceType.Image)16 {17 await e.Request.AbortAsync();18 }19 {20 await e.Request.ContinueAsync();21 }22 };23 var result = await page.EvaluateFunctionAsync<int>(@"() => {24 return $('a').length;25 }");26 Console.WriteLine(result);27 }28 }29 }30}31Recommended Posts: PuppeteerSharp | AddScriptTagAsync() Method32PuppeteerSharp | AddStyleTagAsync() Method33PuppeteerSharp | SetContentAsync() Method34PuppeteerSharp | SetViewportAsync() Method35PuppeteerSharp | SetUserAgentAsync() Method36PuppeteerSharp | SetJavaScriptEnabledAsync() Method37PuppeteerSharp | SetExtraHTTPHeadersAsync() Method38PuppeteerSharp | SetDefaultNavigationTimeoutAsync() Method39PuppeteerSharp | SetDefaultTimeoutAsync() Method40PuppeteerSharp | SetCacheEnabledAsync() Method41PuppeteerSharp | SetBypassCSPAsync() Method42PuppeteerSharp | SetOfflineModeAsync() Method43PuppeteerSharp | SetGeolocationAsync() Method44PuppeteerSharp | SetExtraHTTPHeadersAsync() Method45PuppeteerSharp | SetViewportAsync() Method46PuppeteerSharp | SetJavaScriptEnabledAsync() Method47PuppeteerSharp | SetOfflineModeAsync() Method48PuppeteerSharp | SetRequestInterceptionAsync() Method49PuppeteerSharp | SetViewportAsync() Method50PuppeteerSharp | SetJavaScriptEnabledAsync() Method51PuppeteerSharp | SetOfflineModeAsync() Method

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AddScriptTagAsync

Using AI Code Generation

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1using System.Threading.Tasks;2using PuppeteerSharp;3{4 {5 static async Task Main(string[] args)6 {7 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);8 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))9 using (var page = await browser.NewPageAsync())10 {11 var result = await page.EvaluateExpressionAsync<string>("$('title').text()");12 System.Console.WriteLine(result);13 }14 }15 }16}17using System.Threading.Tasks;18using PuppeteerSharp;19{20 {21 static async Task Main(string[] args)22 {23 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);24 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))25 using (var page = await browser.NewPageAsync())26 {27 var result = await page.MainFrame.EvaluateExpressionAsync<string>("$('title').text()");28 System.Console.WriteLine(result);29 }30 }31 }32}33using System.Threading.Tasks;34using PuppeteerSharp;35{36 {37 static async Task Main(string[] args)38 {39 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);40 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless =

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AddScriptTagAsync

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 static async Task Main(string[] args)6 {7 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });8 var page = await browser.NewPageAsync();9 await page.AddScriptTagAsync(new AddTagOptions { Path = "myscript.js" });10 await page.AddScriptTagAsync(new AddTagOptions { Content = "document.body.innerHTML = 'Hello, world!';" });11 await page.WaitForSelectorAsync("body");12 await page.ScreenshotAsync("example.png");13 await browser.CloseAsync();14 }15}

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AddScriptTagAsync

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var options = new LaunchOptions { Headless = false };9 using (var browser = await Puppeteer.LaunchAsync(options))10 using (var page = await browser.NewPageAsync())11 {12 var result = await page.EvaluateFunctionAsync<string>("() => { return jQuery.fn.jquery }");13 Console.WriteLine(result);14 }15 }16 }17}18using System;19using System.Threading.Tasks;20using PuppeteerSharp;21{22 {23 static async Task Main(string[] args)24 {25 var options = new LaunchOptions { Headless = false };26 using (var browser = await Puppeteer.LaunchAsync(options))27 using (var page = await browser.NewPageAsync())28 {29 await page.AddScriptTagAsync(new AddTagOptions { Path = @"C:\Users\hp\Documents\jquery.js" });30 var result = await page.EvaluateFunctionAsync<string>("() => { return jQuery.fn.jquery }");31 Console.WriteLine(result);32 }33 }34 }35}36using System;37using System.Threading.Tasks;38using PuppeteerSharp;39{40 {41 static async Task Main(string[] args)42 {43 var options = new LaunchOptions { Headless = false };44 using (var browser = await Puppeteer.LaunchAsync(options))45 using (var page = await browser.NewPageAsync())46 {47 }48 }49 }50}

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AddScriptTagAsync

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static void Main(string[] args)7 {8 Run().Wait();9 }10 static async Task Run()11 {12 var browser = await Puppeteer.LaunchAsync(new LaunchOptions13 {14 });15 var page = await browser.NewPageAsync();16 await page.AddScriptTagAsync(new AddTagOptions17 {18 });19 await page.EvaluateFunctionAsync(@"() => {20 $('body').append('<h1>Hello World</h1>');21 }");22 await page.ScreenshotAsync("google.png");23 await browser.CloseAsync();24 }25 }26}27using System;28using System.Threading.Tasks;29using PuppeteerSharp;30{31 {32 static void Main(string[] args)33 {34 Run().Wait();35 }36 static async Task Run()37 {38 var browser = await Puppeteer.LaunchAsync(new LaunchOptions39 {40 });41 var page = await browser.NewPageAsync();42 await page.AddScriptTagAsync(new AddTagOptions43 {44 Content = "document.body.innerHTML = '<h1>Hello World</h1>';"45 });46 await page.ScreenshotAsync("google.png");47 await browser.CloseAsync();48 }49 }50}

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AddScriptTagAsync

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions9 {10 Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }11 }))12 {13 using (var page = await browser.NewPageAsync())14 {15 var result = await page.EvaluateExpressionAsync<int>("$('div').length");16 Console.WriteLine(result);17 }18 }19 }20 }21}22using System;23using System.Threading.Tasks;24using PuppeteerSharp;25{26 {27 static async Task Main(string[] args)28 {29 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions30 {31 Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }32 }))33 {34 using (var page = await browser.NewPageAsync())35 {36 await page.AddScriptTagAsync(new AddTagOptions { Content = "document.body.style.backgroundColor = 'red';" });37 var result = await page.EvaluateExpressionAsync<string>("document.body.style.backgroundColor");38 Console.WriteLine(result);39 }40 }41 }42 }43}

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AddScriptTagAsync

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 {9 Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }10 };11 using (var browser = await Puppeteer.LaunchAsync(options))12 {13 using (var page = await browser.NewPageAsync())14 {15 await page.AddScriptTagAsync(new AddTagOptions16 {17 });18 await Task.Delay(5000);19 }20 }21 }22 }23}24 });25 await Task.Delay(5000);26 }27 }28 }29 }30}

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AddScriptTagAsync

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 {9 Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }10 };11 using (var browser = await Puppeteer.LaunchAsync(options))12 {13 using (var page = await browser.NewPageAsync())14 {15 await page.AddScriptTagAsync(new AddTagOptions16 {17 });18 await Task.Delay(5000);19 }20 }21 }22 }23}24PuppeteerSharp - Addg System;25using System.Threading.Tasks;26using PuppeteerSharp;27{28 static async Task Main(string[] args)29 {30 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });31 var page = await browser.NewPageAsync();32 await page.AddScriptTagAsync(new AddTagOptions { Path = "myscript.js" });33 await page.AddScriptTagAsync(new AddTagOptions { Content = "document.body.innerHTML = 'Hello, world!';" });34 await page.WaitForSelectorAsync("body");35 await page.ScreenshotAsync("example.png");36 await browser.CloseAsync();37 }38}

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AddScriptTagAsync

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions9 {10 Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }11 }))12 {13 using (var page = await browser.NewPageAsync())14 {15 var result = await page.EvaluateExpressionAsync<int>("$('div').length");16 Console.WriteLine(result);17 }18 }19 }20 }21}22using System;23using System.Threading.Tasks;24using PuppeteerSharp;25{26 {27 static async Task Main(string[] args)28 {29 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions30 {31 Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }32 }))33 {34 using (var page = await browser.NewPageAsync())35 {36 await page.AddScriptTagAsync(new AddTagOptions { Content = "document.body.style.backgroundColor = 'red';" });37 var result = await page.EvaluateExpressionAsync<string>("document.body.style.backgroundColor");38 Console.WriteLine(result);39 }40 }41 }42 }43}

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