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How to use EmulateAsync method of PuppeteerSharp.Page class

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

PageServer.cs

Source:PageServer.cs

...170            page = await context.NewPageAsync();171            ///å±è½ WebDriver æ£æµ172            await page.EvaluateFunctionOnNewDocumentAsync("function(){Object.defineProperty(navigator, 'webdriver', {get: () => undefined})}");173            DeviceDescriptor deviceOptions = Puppeteer.Devices.GetValueOrDefault(DeviceDescriptorName.IPhone7);174            await page.EmulateAsync(deviceOptions);175            await page.GoToAsync(Url);176            await page.WaitForTimeoutAsync(500);177            await GetPhoneCode(Phone, page);178            var seven = await page.EvaluateExpressionAsync("document.querySelectorAll('button[report-eventid=MLoginRegister_SMSReceiveCode]')[0].innerText");179            await page.ClickAsync("button[report-eventid='MLoginRegister_SMSReceiveCode']");180            await page.ClickAsync("input[type=checkbox]");181            await page.WaitForTimeoutAsync(500);182            string js = "document.body.outerText";183            var pageouterText = await page.EvaluateExpressionAsync(js);184            var pagetext = pageouterText.ToString();185            var data = await getCount(qlkey);186            if (pagetext.Contains("å®å¨éªè¯") && !pagetext.Contains("éªè¯æå"))187            {188                Console.WriteLine(Phone + "å®å¨éªè¯");...

Index.cshtml.cs

Source:Index.cshtml.cs

...189            }190            catch (Exception ex)191            {192            }193            //await page.EmulateAsync(Puppeteer.Devices[DeviceDescriptorName.IPhone8Plus]);194            //await page.GoToAsync("https://upay.10010.com/jf_wxgz");195            //await page.SetCookieAsync(new CookieParam { Name = "key", Value = "value", SameSite = SameSite.None, Secure = true });196            //string phone = "13113075869";197            //await page.ClickAsync("#number");198            //await page.TypeAsync("#number", phone);199            //Thread.Sleep(3000);200            //await page.ClickAsync("#cardlist > section > div.mobile-cardlist.cardlista > a:nth-child(1)");201            //await browser.CloseAsync();202            //await browser.DisposeAsync();203            //await page.EvaluateExpressionAsync($"document.getElementById('number').value={phone}");204            //var input = await page.("#number", "13113075869");205            //await input.EvaluateFunctionAsync("#number", "131125836985");206            //await page.ScreenshotAsync(outputFile);207        }...

MatchTask.cs

Source:MatchTask.cs

...132            dic.Add("Referer", _settings.Bet365.Url.MainPage.ToString());133            dic.Add("Accept-Encoding", "gzip, deflate, br");134            dic.Add("Accept-Language", "zh-TW,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-CN;q=0.6");135            dic.Add("Connection", "keep-alive");136            await page.EmulateAsync(IPhone);137            await page.SetRequestInterceptionAsync(true);138            await page.SetExtraHttpHeadersAsync(dic);139            page.Request += async (sender, e) =>140            {141                if (e.Request.ResourceType == ResourceType.Image)142                    await e.Request.AbortAsync();143                else144                    await e.Request.ContinueAsync();145            };146            var waitUntil = new NavigationOptions();147            waitUntil.WaitUntil = new WaitUntilNavigation[1];148            waitUntil.WaitUntil.Append(WaitUntilNavigation.Networkidle2);149            await page.GoToAsync(_settings.Bet365.Url.MainPage.ToString(), waitUntil);150            var waitOption = new WaitForSelectorOptions...

HomeController.cs

Source:HomeController.cs

...53            {54                var devices = Puppeteer.Devices;55                var iphone = devices[DeviceDescriptorName.IPhone6];56                var page = browser.NewPageAsync().GetAwaiter().GetResult();57                await page.EmulateAsync(iphone);58                try59                {60                    await page.GoToAsync(Url);61                    string html = await page.GetContentAsync();62                    System.Threading.Thread.Sleep(5000);63                    await page.EvaluateExpressionAsync(ClickButton("Log In"));64                    string usernamePasswordScript = @"65var username = document.getElementsByName(""username"")[0];66username.value=""zawarmehmood.2003@gmail.com"";67var password = document.getElementsByName(""password"")[0];68password.value=""Zawar123!@#"";69";70                    System.Threading.Thread.Sleep(5000);71                    for (int i = 0; i < 4; i++)...

Puppeteer.cs

Source:Puppeteer.cs

...71        /// <param name="options">Options.</param>72        public static BrowserFetcher CreateBrowserFetcher(BrowserFetcherOptions options)73            => new BrowserFetcher(options);74        /// <summary>75        /// Returns a list of devices to be used with <seealso cref="Page.EmulateAsync(DeviceDescriptor)"/>. 76        /// </summary>77        /// <example>78        /// <code>79        ///<![CDATA[80        /// var iPhone = Puppeteer.Devices[DeviceDescriptorName.IPhone6];81        /// using(var page = await browser.NewPageAsync())82        /// {83        ///     await page.EmulateAsync(iPhone);84        ///     await page.goto('https://www.google.com');85        /// }86        /// ]]>87        /// </code>88        /// </example>89        public static IReadOnlyDictionary<DeviceDescriptorName, DeviceDescriptor> Devices => DeviceDescriptors.ToReadOnly();90    }91}...

PuppeteerEngine.cs

Source:PuppeteerEngine.cs

...27            dic.Add("Referer", _settings.Bet365.Url.MainPage.ToString());28            dic.Add("Accept-Encoding", "gzip, deflate, br");29            dic.Add("Accept-Language", "zh-TW,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-CN;q=0.6");30            dic.Add("Connection", "keep-alive");31            await page.EmulateAsync(IPhone);32            await page.SetRequestInterceptionAsync(true);33            await page.SetExtraHttpHeadersAsync(dic);34            page.Request += async (sender, e) =>35            {36                if (e.Request.ResourceType == ResourceType.Image)37                    await e.Request.AbortAsync();38                else39                    await e.Request.ContinueAsync();40            };41            return page;42        }43        public async void launchBrowser(){44            _browser = await Puppeteer.LaunchAsync(new LaunchOptions45            {...

TouchScreenTests.cs

Source:TouchScreenTests.cs

...13        }14        [Fact]15        public async Task ShouldTapTheButton()16        {17            await Page.EmulateAsync(_iPhone);18            await Page.GoToAsync(TestConstants.ServerUrl + "/input/button.html");19            await Page.TapAsync("button");20            Assert.Equal("Clicked", await Page.EvaluateExpressionAsync<string>("result"));21        }22        [Fact]23        public async Task ShouldReportTouches()24        {25            await Page.EmulateAsync(_iPhone);26            await Page.GoToAsync(TestConstants.ServerUrl + "/input/touches.html");27            var button = await Page.QuerySelectorAsync("button");28            await button.TapAsync();29            Assert.Equal(new string[] {30                "Touchstart: 0",31                "Touchend: 0"32            }, await Page.EvaluateExpressionAsync<string[]>("getResult()"));33        }34    }35}...

EmulateTests.cs

Source:EmulateTests.cs

...12        [Fact]13        public async Task ShouldWork()14        {15            await Page.GoToAsync(TestConstants.ServerUrl + "/mobile.html");16            await Page.EmulateAsync(TestConstants.IPhone);17            Assert.Equal(375, await Page.EvaluateExpressionAsync<int>("window.innerWidth"));18            Assert.Contains("Safari", await Page.EvaluateExpressionAsync<string>("navigator.userAgent"));19        }20        [Fact]21        public async Task ShouldSupportClicking()22        {23            await Page.EmulateAsync(TestConstants.IPhone);24            await Page.GoToAsync(TestConstants.ServerUrl + "/input/button.html");25            var button = await Page.QuerySelectorAsync("button");26            await Page.EvaluateFunctionAsync("button => button.style.marginTop = '200px'", button);27            await button.ClickAsync();28            Assert.Equal("Clicked", await Page.EvaluateExpressionAsync<string>("result"));29        }30    }31}...

EmulateAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            {9                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",10                Args = new string[] { "--no-sandbox" }11            };12            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);13            var browser = await Puppeteer.LaunchAsync(options);14            var page = await browser.NewPageAsync();15            await page.EmulateAsync(new EmulateOptions16            {17                UserAgent = "Mozilla/5.0 (Windows NT 5.1; rv:31.0) Gecko/20100101 Firefox/31.0",18                {19                }20            });21            await page.ScreenshotAsync("google.png");22            await browser.CloseAsync();23        }24    }25}26using System;27using System.Threading.Tasks;28using PuppeteerSharp;29{30    {31        static async Task Main(string[] args)32        {33            {34                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",35                Args = new string[] { "--no-sandbox" }36            };37            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);38            var browser = await Puppeteer.LaunchAsync(options);39            var page = await browser.NewPageAsync();40            await page.SetViewportAsync(new ViewPortOptions41            {42            });43            await page.ScreenshotAsync("google.png");44            await browser.CloseAsync();45        }46    }47}48using System;49using System.Threading.Tasks;50using PuppeteerSharp;51{52    {

EmulateAsync

Using AI Code Generation

1var page = await browser.NewPageAsync();2await page.EmulateAsync(new EmulationOptions { Viewport = new ViewPortOptions { Width = 1920, Height = 1080 } });3await page.ScreenshotAsync("google.png");4var page = await browser.NewPageAsync();5var frame = page.MainFrame;6await frame.EmulateAsync(new EmulationOptions { Viewport = new ViewPortOptions { Width = 1920, Height = 1080 } });7await frame.ScreenshotAsync("google.png");8var page = await browser.NewPageAsync();9await page.EmulateAsync(new EmulationOptions { Viewport = new ViewPortOptions { Width = 1920, Height = 1080 } });10await page.ScreenshotAsync("google.png");11var page = await browser.NewPageAsync();12var frame = page.MainFrame;13await frame.EmulateAsync(new EmulationOptions { Viewport = new ViewPortOptions { Width = 1920, Height = 1080 } });14await frame.ScreenshotAsync("google.png");15var page = await browser.NewPageAsync();16await page.EmulateAsync(new EmulationOptions { Viewport = new ViewPortOptions { Width = 1920, Height = 1080 } });17await page.ScreenshotAsync("google.png");18var page = await browser.NewPageAsync();19var frame = page.MainFrame;20await frame.EmulateAsync(new EmulationOptions { Viewport = new ViewPortOptions { Width = 1920, Height = 1080 } });

EmulateAsync

Using AI Code Generation

1var browser = await Puppeteer.LaunchAsync(new LaunchOptions2{3});4var page = await browser.NewPageAsync();5await page.EmulateAsync(new ViewPortOptions6{7});8await page.ScreenshotAsync("1.png");9var browser = await Puppeteer.LaunchAsync(new LaunchOptions10{11});12var page = await browser.NewPageAsync();13await page.EmulateAsync(new ViewPortOptions14{15});16await page.ScreenshotAsync("2.png");17var browser = await Puppeteer.LaunchAsync(new LaunchOptions18{19});20var page = await browser.NewPageAsync();21await page.EmulateAsync(new ViewPortOptions22{23});24await page.ScreenshotAsync("3.png");25var browser = await Puppeteer.LaunchAsync(new LaunchOptions26{27});28var page = await browser.NewPageAsync();29await page.EmulateAsync(new ViewPortOptions30{31});32await page.ScreenshotAsync("4.png");33var browser = await Puppeteer.LaunchAsync(new LaunchOptions34{35});36var page = await browser.NewPageAsync();37await page.EmulateAsync(new ViewPortOptions38{39});40await page.ScreenshotAsync("5.png");

EmulateAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using System.IO;5using System.Linq;6using System.Threading;7using System.Collections.Generic;8using System.Text.RegularExpressions;9{10    {11        static async Task Main(string[] args)12        {13            {14            };15            var browser = await Puppeteer.LaunchAsync(options);16            var page = await browser.NewPageAsync();17            await page.EmulateAsync(new ViewPortOptions18            {19            });20            await page.ScreenshotAsync("google.png");21            await browser.CloseAsync();22        }23    }24}25using System;26using System.Threading.Tasks;27using PuppeteerSharp;28using System.IO;29using System.Linq;30using System.Threading;31using System.Collections.Generic;32using System.Text.RegularExpressions;33{34    {35        static async Task Main(string[] args)36        {37            {38            };39            var browser = await Puppeteer.LaunchAsync(options);40            var page = await browser.NewPageAsync();41            await page.EmulateAsync(new ViewPortOptions42            {43            });44            await page.ScreenshotAsync("google.png");45            await browser.CloseAsync();46        }47    }48}49using System;50using System.Threading.Tasks;51using PuppeteerSharp;52using System.IO;53using System.Linq;54using System.Threading;55using System.Collections.Generic;56using System.Text.RegularExpressions;57{58    {59        static async Task Main(string[] args)60        {61            {

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