How to use QuerySelectorAllAsync method of PuppeteerSharp.ElementHandle class

Best Puppeteer-sharp code snippet using PuppeteerSharp.ElementHandle.QuerySelectorAllAsync

VkBrwUserFactory.cs

Source:VkBrwUserFactory.cs Github

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...49 {50 List<VkBrwCommunity> nwPages = new List<VkBrwCommunity>();51 await userPage.GoToAsync(user.ProfileLink);52 ElementHandle userIsLoaded = await userPage.WaitForSelectorAsync("#page_info_wrap.page_info_wrap");53 ElementHandle[] hiddenProfileBlock = await userPage.QuerySelectorAllAsync("h5.profile_deleted_text");54 if (hiddenProfileBlock.Length == 0)55 {56 ElementHandle idolsLoaded = await userPage.WaitForSelectorAsync("#profile_idols");57 /​/​ Интересные страницы58 ElementHandle[] noteworthyPagesBlock = await userPage.QuerySelectorAllAsync("#profile_idols.module.clear.page_list_module._module");59 if (noteworthyPagesBlock.Length == 1)60 {61 ElementHandle noteworthyPages = noteworthyPagesBlock.First();62 ElementHandle[] noteworthyPagesHeaderBlock = await noteworthyPages.QuerySelectorAllAsync("a.module_header");63 if (noteworthyPagesHeaderBlock.Length == 1)64 {65 ClickOptions clickOptions = new ClickOptions { Delay = new Random().Next(30, 100) };66 ElementHandle noteworthyPagesLinkElement = noteworthyPagesHeaderBlock.First();67 await noteworthyPagesLinkElement.ClickAsync(clickOptions);68 ElementHandle noteworthyPagesIsOpened = await userPage.WaitForSelectorAsync("#fans_rowsidols.fans_rows.fans_idols");69 ElementHandle[] closeBlock = await userPage.QuerySelectorAllAsync("div.box_x_button");70 if (closeBlock.Length == 1)71 {72 ElementHandle[] pagesCountBlock = await userPage.QuerySelectorAllAsync("span.ui_box_header_cnt");73 if (pagesCountBlock.Length == 1)74 {75 ElementHandle pagesTotalCountElement = pagesCountBlock.First();76 string pagesTotalCountValue = await pagesTotalCountElement.EvaluateFunctionAsync<string>("('span', span => span.innerText)");77 if (!string.IsNullOrEmpty(pagesTotalCountValue))78 {79 bool pagesTotalCountReceived = int.TryParse(pagesTotalCountValue, out int pagesTotalCount);80 if (pagesTotalCountReceived && pagesTotalCount > 0)81 {82 ElementHandle[] pagesVisibleElements = await userPage.QuerySelectorAllAsync("div.fans_idol_row.inl_bl");83 if (pagesVisibleElements.Length < pagesTotalCount)84 {85 PressOptions pressOptions = new PressOptions { Delay = new Random().Next(20, 40)};86 await userPage.FocusAsync("input");87 await userPage.Keyboard.PressAsync("Tab", pressOptions);88 int visiblePagesCounter = pagesVisibleElements.Length;89 while (visiblePagesCounter < pagesTotalCount)90 {91 await userPage.Keyboard.PressAsync("PageDown", pressOptions);92 await Task.Delay(new Random().Next(250, 350));93 await userPage.Keyboard.PressAsync("PageDown", pressOptions);94 await Task.Delay(new Random().Next(250, 350));95 await userPage.Keyboard.PressAsync("PageDown", pressOptions);96 await Task.Delay(new Random().Next(250, 350));97 await userPage.Keyboard.PressAsync("PageDown", pressOptions);98 await Task.Delay(new Random().Next(250, 350));99 ElementHandle[] newPagesVisibleElements = await userPage.QuerySelectorAllAsync("div.fans_idol_row.inl_bl");100 if (newPagesVisibleElements.Length == visiblePagesCounter)101 {102 break;103 }104 visiblePagesCounter = newPagesVisibleElements.Length;105 }106 }107 ElementHandle[] nwPagesElements = await userPage.QuerySelectorAllAsync("div.fans_idol_info");108 foreach (var element in nwPagesElements)109 {110 VkBrwCommunity community = await GetCommunityAsync(element, userContext);111 if (community != null)112 {113 nwPages.Add(community);114 community.Users.Add(user);115 }116 }117 }118 }119 }120 ElementHandle closeButtonElement = closeBlock.First();121 await closeButtonElement.ClickAsync(clickOptions);122 }123 }124 }125 }126 else127 {128 user.HiddenProfile = true;129 ElementHandle[] pageNameElements = await userPage.QuerySelectorAllAsync("h2.page_name");130 if (pageNameElements.Length == 1)131 {132 var pageElement = pageNameElements.First();133 user.PageName = await pageElement.EvaluateFunctionAsync<string>("('h2', h2 => h2.innerText)");134 }135 }136 return nwPages;137 }138 private async Task<VkBrwCommunity> GetCommunityAsync(ElementHandle communityElement, BrowserContext userContext)139 {140 ElementHandle communityNameElement = await communityElement.QuerySelectorAsync("div.fans_idol_name");141 if (communityNameElement != null)142 {143 VkBrwCommunity nwPage = new VkBrwCommunity();...

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ClickerBot.cs

Source:ClickerBot.cs Github

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...102 {103 var timeout = 1000;104 await frame.WaitForTimeoutAsync(timeout);105 await UpdateWrongQuizAnswers(frame);106 var highImportanceButtons = await frame.QuerySelectorAllAsync(".question-example-overlay:not([hidden='hidden']) .example-buttons .button:not(.is-disabled)");107 foreach (var buttonHandle in highImportanceButtons)108 {109 var boundingBox = await buttonHandle.BoundingBoxAsync();110 var isVisible = boundingBox != null && boundingBox.Width > 0 && boundingBox.Height > 0;111 if (!isVisible)112 continue;113 var buttonText = await frame.GetInnerText(buttonHandle);114 var isCandidate = new[] { "schließen" }.Any(x => buttonText.ToLower().Contains(x));115 if (isCandidate)116 return buttonHandle;117 }118 var decisionTextHandle = await frame.QuerySelectorAllAsync(".decision-wrapper .text-column");119 if (decisionTextHandle.Any())120 {121 var decisionText = await frame.EvaluateFunctionAsync<string>("el => el.innerText", decisionTextHandle.First());122 var decisionHash = decisionText.GetHashCode();123 var choices = await frame.QuerySelectorAllAsync(".content-region .decision-choices li.choice button:not(.is-disabled)");124 Question decision = null;125 if (_decisions.Questions.All(x => x.Hash != decisionHash))126 {127 decision = new Question { Hash = decisionHash };128 foreach (var elementHandle in choices)129 {130 var choiceText = await frame.GetInnerText(elementHandle);131 decision.Answers.Add(new Answer { Result = null, Text = choiceText });132 }133 _decisions.Questions.Add(decision);134 }135 else136 decision = _decisions.Questions.Single(x => x.Hash == decisionHash);137 var bestAnswer = decision.GetBestAnswer();138 if (bestAnswer != null)139 {140 foreach (var elementHandle in choices)141 {142 var boundingBox = await elementHandle.BoundingBoxAsync();143 var isVisible = boundingBox != null && boundingBox.Width > 0 && boundingBox.Height > 0;144 if (!isVisible)145 continue;146 var choiceText = await frame.EvaluateFunctionAsync<string>("e => e.innerText", elementHandle);147 if (choiceText == bestAnswer)148 return elementHandle;149 }150 }151 }152 var quizChoices = await frame.QuerySelectorAllAsync(".content-region .question-choices li.choice button:not(.is-disabled)");153 if (quizChoices.Any())154 {155 var contentHash = await GetQuizHash(frame);156 var bestAnswer = _quiz.Questions.Single(x => x.Hash == contentHash).GetBestAnswer();157 if (bestAnswer != null)158 {159 foreach (var elementHandle in quizChoices)160 {161 var boundingBox = await elementHandle.BoundingBoxAsync();162 var isVisible = boundingBox != null && boundingBox.Width > 0 && boundingBox.Height > 0;163 if (!isVisible)164 continue;165 var choiceText = await frame.GetInnerText(elementHandle);166 if (choiceText == bestAnswer)167 return elementHandle;168 }169 }170 }171 var regularButtons = await frame.QuerySelectorAllAsync(".content-region button.action:not(.is-disabled)");172 var exampleButtons = await frame.QuerySelectorAllAsync(".example-button-container .button:not(.is-disabled)");173 var buttonHandles = regularButtons.Concat(exampleButtons).Concat(highImportanceButtons);174 foreach (var buttonHandle in buttonHandles)175 {176 var boundingBox = await buttonHandle.BoundingBoxAsync();177 var isVisible = boundingBox != null && boundingBox.Width > 0 && boundingBox.Height > 0;178 if (!isVisible)179 continue;180 var buttonText = await frame.GetInnerText(buttonHandle);181 var isCandidate = new[] { "beginnen", "weiter", "mehr", "anzeigen", "schließen", "wiederholen" }.Any(x => buttonText.ToLower().Contains(x));182 if (isCandidate)183 return buttonHandle;184 }185 var currentCalloutHandles = await frame.QuerySelectorAllAsync(".callout-trigger.is-current");186 if (!currentCalloutHandles.Any())187 {188 var calloutHandles = await frame.QuerySelectorAllAsync(".callout-trigger.is-unlocked:not(.is-current)");189 if (calloutHandles.Any())190 return calloutHandles.First();191 }192 else193 {194 var next = await frame.QuerySelectorAllAsync(".callout-navigation.next a");195 if (next.Any())196 {197 var boundingBox = await next.First().BoundingBoxAsync();198 var isVisible = boundingBox != null && boundingBox.Width > 0 && boundingBox.Height > 0;199 if (isVisible)200 return next.First();201 }202 }203 var bannerHandles = await frame.QuerySelectorAllAsync(".banner-wrapper.is-unlocked");204 if (bannerHandles.Any())205 return bannerHandles.First();206 var explorerHandles = await frame.QuerySelectorAllAsync(".explorer-trigger.is-unlocked:not(.is-completed)");207 if (explorerHandles.Any())208 return explorerHandles.First();209 var flashCardHandles = await frame.QuerySelectorAllAsync(".content-region article.flash-card:not(.flash-card-flipped) .flash-card-side");210 if (flashCardHandles.Any())211 return flashCardHandles.First();212 return null;213 }214 private async Task<int> GetQuizHash(Frame frame)215 {216 var heading = await frame.TryGetTextContent(".content-heading") ?? "";217 var content = await frame.TryGetTextContent(".content_card") ?? "";218 return (heading + content).GetHashCode();219 }220 private async Task UpdateWrongQuizAnswers(Frame frame)221 {222 var quizChoices = await frame.QuerySelectorAllAsync(".content-region .question-choices li.choice button");223 if (quizChoices.Length > 0)224 {225 var contentHash = await GetQuizHash(frame);226 if (_quiz.Questions.All(x => x.Hash != contentHash))227 {228 var question = new Question() { Hash = contentHash };229 foreach (var elementHandle in quizChoices)230 {231 var choiceText = await frame.GetInnerText(elementHandle);232 question.Answers.Add(new Answer { Result = null, Text = choiceText });233 }234 235 _quiz.Questions.Add(question);236 /​/​seems to be a new quiz, abort for now....

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Program.cs

Source:Program.cs Github

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...83 while (storiesPage.QuerySelectorAsync("[data-test=\"stories-player-continue\"]") != null) {84 ElementHandle continueButton = await storiesPage.WaitForSelectorAsync("[data-test=\"stories-player-continue\"]");85 await continueButton.ClickAsync();86 if (await storiesPage.QuerySelectorAsync("[data-test=\"stories-choice\"]") != null) {87 ElementHandle[] choices = await storiesPage.QuerySelectorAllAsync("[data-test=\"stories-choice\"]");88 foreach (ElementHandle element in choices) {89 await element.ClickAsync();90 } 91 } else if (await storiesPage.QuerySelectorAsync("[data-test=\"challenge-tap-token\"]") != null) {92 ElementHandle[] choices = await storiesPage.QuerySelectorAllAsync("[data-test=\"challenge-tap-token\"]");93 if (choices.Length < 5) {94 foreach (ElementHandle element in choices) {95 await element.ClickAsync();96 } 97 } else {98 ElementHandle[] tokens = await storiesPage.QuerySelectorAllAsync("[data-test=\"challenge-tap-token\"]");99 Random rng = new Random();100 ElementHandle[] disabledTokens = await storiesPage.QuerySelectorAllAsync("[aria-disabled=\"true\"]");101 while (await storiesPage.QuerySelectorAsync("span._3Y29z._176_d._2jNpf") == null || await storiesPage.QuerySelectorAsync("h2._1qFda") != null) {102 103 rng.Shuffle<ElementHandle>(tokens);104 foreach (ElementHandle element in tokens) {105 disabledTokens = await storiesPage.QuerySelectorAllAsync("[aria-disabled=\"true\"]");106 foreach (ElementHandle disabledToken in disabledTokens) {107 int index = Array.IndexOf(tokens, disabledToken);108 tokens.Where(val => val != disabledToken).ToArray();109 }110 await element.ClickAsync();111 Console.Write("\rTook {0} attempt(s) to complete matching tokens.", attempts); 112 attempts++; 113 }114 }115 return;116 }117 } 118 } 119 }120 static async Task ExitStory(Page page) {121 while (await page.QuerySelectorAsync("[data-test=\"stories-player-done\"]") == null) {122 await page.ClickAsync("[data-test=\"stories-player-continue\"]");123 }124 ElementHandle completeButton = await page.WaitForSelectorAsync("[data-test=\"stories-player-done\"]");125 await page.ClickAsync("[data-test=\"stories-player-done\"]");126 await page.WaitForSelectorAsync("div._3wEt9");127 }128 static async Task<IEnumerable<String>> GetStoryList() {129 IEnumerable<String> storyUrls = new string[] {};130 Page page = await browser.NewPageAsync();131 await page.GoToAsync("https:/​/​www.duolingo.com/​stories", new NavigationOptions {Timeout = 0});132 Thread.Sleep(TimeSpan.FromSeconds(2));133 ElementHandle[] storyIcons = await page.QuerySelectorAllAsync("div.X4jDx");134 foreach (ElementHandle element in storyIcons) {135 await element.ClickAsync();136 ElementHandle startButton = await page.QuerySelectorAsync("[data-test=\"story-start-button\"]");137 if (startButton != null) {138 JSHandle buttonHref = await startButton.GetPropertyAsync("href");139 object hrefJSON = await buttonHref.JsonValueAsync();140 storyUrls = storyUrls.Append<String>(hrefJSON.ToString());141 Console.WriteLine("Appended {0} to list of stories.", await buttonHref.JsonValueAsync());142 } else {143 Console.WriteLine("Skipped a story because it was locked.");144 }145 }146 /​/​ await page.CloseAsync();147 return storyUrls;...

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TravelerPictureBook.cs

Source:TravelerPictureBook.cs Github

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...26 Thread.Sleep(30000); /​* wait animation */​27 28 await PptrUtils.WaitAndClick("div.main-button.main-button__left", PptrUtils.LongSelectorAwaiter);29 Thread.Sleep(3000);30 ElementHandle[] dayDivs = (await _page.QuerySelectorAllAsync("div"))31 .Where(div => div.EvaluateFunctionAsync<string>("e => e.className").Result.Contains("day-list-item"))32 .ToArray();33 foreach (ElementHandle dayDiv in dayDivs)34 {35 await dayDiv.ClickAsync();36 Thread.Sleep(1000);37 38 ElementHandle[] getDivs = (await _page.QuerySelectorAllAsync("div"))39 .Where(div => div.EvaluateFunctionAsync<string>("e => e.innerHTML").Result == "Получить")40 .ToArray();41 42 foreach (ElementHandle getDiv in getDivs)43 {44 await getDiv.ClickAsync();45 Thread.Sleep(1000);46 }47 }48 49 _page.QuerySelectorAsync("div[class^='components-topNav-assets-__topNav_---close-btn---']").Result50 .ClickAsync().GetAwaiter().GetResult();51 Thread.Sleep(3000);52 53 await PptrUtils.WaitAndClick("div.main-button.main-button__right", PptrUtils.LongSelectorAwaiter);54 Thread.Sleep(3000);55 56 (await _page.QuerySelectorAllAsync("div"))57 .FirstOrDefault(div => div.EvaluateFunctionAsync<string>("e => e.innerHTML").Result == "Отмена")58 ?.ClickAsync().GetAwaiter().GetResult();59 Thread.Sleep(1000);60 61 await PptrUtils.WaitAndClick("div.button-spot__progress", PptrUtils.LongSelectorAwaiter);62 Thread.Sleep(3000);63 ElementHandle[] awardIcons = await _page.QuerySelectorAllAsync("div[class^='components-award-assets-__award_---icon---'");64 foreach (ElementHandle awardIcon in awardIcons)65 {66 await awardIcon.ClickAsync();67 Thread.Sleep(1000);68 69 /​/​grab award70 (await _page.QuerySelectorAllAsync("div"))71 .FirstOrDefault(div => div.EvaluateFunctionAsync<string>("e => e.innerHTML").Result == "Получить")72 ?.ClickAsync().GetAwaiter().GetResult();73 Thread.Sleep(1000);74 await PptrUtils.ClickIfExists("div[class^='components-result-assets-__result_---click-close---'");75 }76 77 Console.WriteLine("debug");78 }79 catch (Exception e)80 {81 Console.WriteLine(e);82 }83 finally84 {...

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ParserService.cs

Source:ParserService.cs Github

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...62 await _page.GoToAsync("https:/​/​pda.104.com.tw/​my104/​mate/​list?itemNo=x2&u=qj9dzg");63 }64 public async Task<IEnumerable<JobElement>> GetJobElementAsync()65 {66 var element = await _page.QuerySelectorAllAsync(".joblist_cont .jobname_1");67 var jobElements = new List<JobElement>();68 foreach (var elementHandle in element)69 {70 jobElements.Add(new JobElement()71 {72 innerText = (await elementHandle.GetPropertyAsync(nameof(JobElement.innerText))).RemoteObject.Value.ToString(),73 innerHTML = (await (await elementHandle.GetPropertyAsync("firstElementChild")).GetPropertyAsync("href")).RemoteObject.Value.ToString(),74 });75 }76 return jobElements;77 }78 public async Task<IEnumerable<CompanyElement>> GetCompanyElementAsync()79 {80 var element = await _page.QuerySelectorAllAsync(".joblist_cont .compname_1");81 var jobElements = new List<CompanyElement>();82 foreach (var elementHandle in element)83 {84 jobElements.Add(new CompanyElement()85 {86 innerText = (await elementHandle.GetPropertyAsync(nameof(CompanyElement.innerText))).RemoteObject.Value.ToString(),87 });88 }89 return jobElements;90 }91 public async Task<IEnumerable<AreaElement>> GetAreaElementAsync()92 {93 var element = await _page.QuerySelectorAllAsync(".joblist_cont .area");94 var jobElements = new List<AreaElement>();95 foreach (var elementHandle in element)96 {97 jobElements.Add(new AreaElement()98 {99 innerText = (await elementHandle.GetPropertyAsync(nameof(AreaElement.innerText))).RemoteObject.Value.ToString(),100 });101 }102 return jobElements;103 }104 }105}...

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ElementHandleExtensions.cs

Source:ElementHandleExtensions.cs Github

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...17 /​/​/​ <typeparam name="T">The type of <see cref="ElementObject" /​></​typeparam>18 /​/​/​ <param name="elementHandle">A <see cref="ElementHandle" /​></​param>19 /​/​/​ <param name="selector">A selector to query element for</​param>20 /​/​/​ <returns>Task which resolves to the <see cref="ElementObject" /​> array</​returns>21 /​/​/​ <seealso cref="ElementHandle.QuerySelectorAllAsync(string)"/​>22 public static async Task<T[]> QuerySelectorAllAsync<T>(this ElementHandle elementHandle, string selector) where T : ElementObject23 {24 var results = await elementHandle.GuardFromNull().QuerySelectorAllAsync(selector).ConfigureAwait(false);25 return results.Select(x => ProxyFactory.ElementObject<T>(x.GetPage(), x)).ToArray();26 }27 /​/​/​ <summary>28 /​/​/​ Runs <c>element.querySelector</​c> within the element and returns an <see cref="ElementObject" /​>.29 /​/​/​ If no elements match the selector, the return value resolve to <c>null</​c>.30 /​/​/​ </​summary>31 /​/​/​ <typeparam name="T">The type of <see cref="ElementObject" /​></​typeparam>32 /​/​/​ <param name="elementHandle">A <see cref="ElementHandle" /​></​param>33 /​/​/​ <param name="selector">A selector to query element for</​param>34 /​/​/​ <returns>Task which resolves to the <see cref="ElementObject" /​></​returns>35 /​/​/​ <seealso cref="ElementHandle.QuerySelectorAsync(string)"/​>36 public static async Task<T> QuerySelectorAsync<T>(this ElementHandle elementHandle, string selector) where T : ElementObject37 {38 var result = await elementHandle.GuardFromNull().QuerySelectorAsync(selector).ConfigureAwait(false);...

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TinEyeEngine.cs

Source:TinEyeEngine.cs Github

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...36 await using Page page = await browser.NewPageAsync();37 await page.GoToAsync(BaseUrl + sd.UploadUri);38 await page.WaitForNavigationAsync();39 var rd = page.Url;40 var resultElems = await page.QuerySelectorAllAsync("div[class='match']");41 var img = new List<ImageResult>();42 var firstSpan = await (await resultElems[0].QuerySelectorAsync("span"))43 .GetPropertyAsync("textContent");44 if (firstSpan.ToValueString().Contains("sponsored", StringComparison.InvariantCultureIgnoreCase)) {45 resultElems = resultElems.Skip(1).ToArray();46 }47 foreach (ElementHandle elem in resultElems) {48 var ir = new ImageResult(r) { };49 var p = await elem.QuerySelectorAllAsync("p");50 var h4 = await elem.QuerySelectorAsync("h4");51 var name = await h4.GetPropertyAsync("textContent");52 ir.Name = name.ToValueString();53 foreach (ElementHandle t1 in p) {54 var a = await t1.QuerySelectorAllAsync("a");55 var uri = new List<Uri>();56 /​/​ a=a.Distinct().ToArray();57 foreach (ElementHandle t in a) {58 var href = await t.GetPropertyAsync("href");59 string s = href.ToValueString();60 if (!string.IsNullOrWhiteSpace(s)) {61 var item = new Uri(s);62 /​/​ item = item.Normalize();63 if (!uri.Contains(item)) {64 uri.Add(item);65 }66 }67 }68 ir.OtherUrl.AddRange(uri);69 var imgElems = await t1.QuerySelectorAllAsync("img");70 var imgList = new List<Uri>();71 for (int k = 0; k < imgElems.Length; k++) {72 var src = await a[k].GetPropertyAsync("src");73 imgList.Add(new Uri(src.ToValueString()));74 }75 ir.OtherUrl.AddRange(imgList);76 ir.Url = ir.OtherUrl.FirstOrDefault();77 }78 img.Add(ir);79 }80 browser.Dispose();81 return img;82 }83 protected override SearchResult Process(object obj, SearchResult sr)...

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ElementHandle.cs

Source:ElementHandle.cs Github

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2namespace PuppeteerSharp3{4 /​/​/​ <summary>5 /​/​/​ Inherits from <see cref="JSHandle"/​>. It represents an in-page DOM element. 6 /​/​/​ ElementHandles can be created by <see cref="PuppeteerSharp.Page.QuerySelectorAsync(string)"/​> or <see cref="PuppeteerSharp.Page.QuerySelectorAllAsync(string)"/​>.7 /​/​/​ </​summary>8 public class ElementHandle : JSHandle9 {10 internal ElementHandle(11 ExecutionContext context,12 CDPSession client,13 RemoteObject remoteObject)14 : base(context, client, remoteObject) { }15 }16}...

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QuerySelectorAllAsync

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using PuppeteerSharp;7{8 {9 static void Main(string[] args)10 {11 MainAsync().Wait();12 }13 static async Task MainAsync()14 {15 var browser = await Puppeteer.LaunchAsync(new LaunchOptions16 {17 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"18 });19 var page = await browser.NewPageAsync();20 var elementHandle = await page.QuerySelectorAsync("input[name='q']");21 var elementsHandle = await page.QuerySelectorAllAsync("div");22 Console.WriteLine("Press any key to close the browser");23 Console.ReadKey();24 await browser.CloseAsync();25 }26 }27}28using System;29using System.Collections.Generic;30using System.Linq;31using System.Text;32using System.Threading.Tasks;33using PuppeteerSharp;34{35 {36 static void Main(string[] args)37 {38 MainAsync().Wait();39 }40 static async Task MainAsync()41 {42 var browser = await Puppeteer.LaunchAsync(new LaunchOptions43 {44 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"45 });46 var page = await browser.NewPageAsync();47 var elementHandle = await page.QuerySelectorAsync("input[name='q']");48 var elementsHandle = await page.QuerySelectorAllAsync("div");49 var elements = await elementsHandle.ToListAsync();50 Console.WriteLine("Press any key to close the browser");51 Console.ReadKey();52 await browser.CloseAsync();53 }54 }55}56using System;

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QuerySelectorAllAsync

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))10 {11 var page = await browser.NewPageAsync();12 var result = await page.QuerySelectorAllAsync("a");13 Console.WriteLine("Number of links: " + result.Length);

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QuerySelectorAllAsync

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))10 using (var page = await browser.NewPageAsync())11 {12 var element = await page.QuerySelectorAsync("input");13 var elements = await element.QuerySelectorAllAsync("input");14 foreach (var item in elements)15 {16 Console.WriteLine(item);17 }

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QuerySelectorAllAsync

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1var elements = await page.QuerySelectorAllAsync("div");2foreach (var element in elements)3{4 var text = await element.EvaluateFunctionAsync<string>("element => element.textContent");5 Console.WriteLine(text);6}7var elements = await page.QuerySelectorAllAsync("div");8foreach (var element in elements)9{10 var text = await element.EvaluateFunctionAsync<string>("element => element.textContent");11 Console.WriteLine(text);12}13var elements = await page.QuerySelectorAllAsync("div");14foreach (var element in elements)15{16 var text = await element.EvaluateFunctionAsync<string>("element => element.textContent");17 Console.WriteLine(text);18}19var elements = await page.QuerySelectorAllAsync("div");20foreach (var element in elements)21{22 var text = await element.EvaluateFunctionAsync<string>("element => element.textContent");23 Console.WriteLine(text);24}25var elements = await page.QuerySelectorAllAsync("div");26foreach (var element in elements)27{28 var text = await element.EvaluateFunctionAsync<string>("element => element.textContent");29 Console.WriteLine(text);30}31var elements = await page.QuerySelectorAllAsync("div");32foreach (var element in elements)33{34 var text = await element.EvaluateFunctionAsync<string>("element => element.textContent");35 Console.WriteLine(text);36}37var elements = await page.QuerySelectorAllAsync("div");38foreach (var element in elements)39{40 var text = await element.EvaluateFunctionAsync<string>("element => element.textContent");41 Console.WriteLine(text);42}43var elements = await page.QuerySelectorAllAsync("div");44foreach (var element in elements)45{46 var text = await element.EvaluateFunctionAsync<string>("element => element.textContent");47 Console.WriteLine(text);48}

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QuerySelectorAllAsync

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1using System;2using System.Linq;3using System.Threading.Tasks;4using PuppeteerSharp;5{6 {7 static async Task Main(string[] args)8 {9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions10 {11 });12 var page = await browser.NewPageAsync();13 var links = await page.QuerySelectorAllAsync("a");14 Console.WriteLine("Total links are: {0}", links.Count());15 foreach (var link in links)16 {17 string linkHref = await link.EvaluateFunctionAsync<string>("(el) => el.href", link);18 Console.WriteLine(linkHref);19 }20 Console.ReadLine();21 }22 }23}

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QuerySelectorAllAsync

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))10 using (var page = await browser.NewPageAsync())11 {12 var elements = await page.QuerySelectorAllAsync("a");13 foreach (var element in elements)14 {15 Console.WriteLine(await element.GetPropertyAsync("href"));16 }17 }18 }19 }20}

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QuerySelectorAllAsync

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))10 using (var page = await browser.NewPageAsync())11 {12 var elements = await page.QuerySelectorAllAsync("a");13 foreach (var element in elements)14 {15 Console.WriteLine(await element.EvaluateFunctionAsync<string>("x => x.outerHTML"));16 }17 }18 }19 }20}

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QuerySelectorAllAsync

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1{2 public static async Task Main(string[] args)3 {4 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);5 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true }))6 using (var page = await browser.NewPageAsync())7 {8 var elements = await page.QuerySelectorAllAsync("input");9 foreach (var element in elements)10 {11 Console.WriteLine(element);12 }13 }14 }15}

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QuerySelectorAllAsync

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var browserFetcher = new BrowserFetcher();9 await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10 var browser = await Puppeteer.LaunchAsync(new LaunchOptions11 {12 });13 var page = await browser.NewPageAsync();14 var elements = await page.QuerySelectorAllAsync("a");15 Console.WriteLine(elements.Length);16 await browser.CloseAsync();17 }18 }19}

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QuerySelectorAllAsync

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 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions9 {10 }))11 {12 using (var page = await browser.NewPageAsync())13 {14 var elements = await page.QuerySelectorAllAsync("a");15 var element = await page.QuerySelectorAsync("a");16 Console.WriteLine("Number of elements with the specified selector: {0}", elements.Length);17 Console.WriteLine("First element with the specified selector: {0}", element);18 }19 }20 }21 }22}23public Task<ElementHandle[]> QuerySelectorAllAsync(string selector)24public Task<ElementHandle> QuerySelectorAsync(string selector)

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