How to use FocusAsync method of PuppeteerSharp.ElementHandle class

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

ElementHandle.cs

Source:ElementHandle.cs Github

copy

Full Screen

...191 /// <summary>192 /// Calls <c>focus</c> <see href="https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/focus"/> on the element.193 /// </summary>194 /// <returns>Task</returns>195 public Task FocusAsync() => ExecutionContext.EvaluateFunctionAsync("element => element.focus()", this);196 /// <summary>197 /// Focuses the element, and sends a <c>keydown</c>, <c>keypress</c>/<c>input</c>, and <c>keyup</c> event for each character in the text.198 /// </summary>199 /// <param name="text">A text to type into a focused element</param>200 /// <param name="options">type options</param>201 /// <remarks>202 /// To press a special key, like <c>Control</c> or <c>ArrowDown</c> use <see cref="ElementHandle.PressAsync(string, PressOptions)"/>203 /// </remarks>204 /// <example>205 /// <code>206 /// elementHandle.TypeAsync("#mytextarea", "Hello"); // Types instantly207 /// elementHandle.TypeAsync("#mytextarea", "World", new TypeOptions { Delay = 100 }); // Types slower, like a user208 /// </code>209 /// An example of typing into a text field and then submitting the form:210 /// <code>211 /// var elementHandle = await page.GetElementAsync("input");212 /// await elementHandle.TypeAsync("some text");213 /// await elementHandle.PressAsync("Enter");214 /// </code>215 /// </example>216 /// <returns>Task</returns>217 public async Task TypeAsync(string text, TypeOptions options = null)218 {219 await FocusAsync().ConfigureAwait(false);220 await Page.Keyboard.TypeAsync(text, options).ConfigureAwait(false);221 }222 /// <summary>223 /// Focuses the element, and then uses <see cref="Keyboard.DownAsync(string, DownOptions)"/> and <see cref="Keyboard.UpAsync(string)"/>.224 /// </summary>225 /// <param name="key">Name of key to press, such as <c>ArrowLeft</c>. See <see cref="KeyDefinitions"/> for a list of all key names.</param>226 /// <param name="options">press options</param>227 /// <remarks>228 /// If <c>key</c> is a single character and no modifier keys besides <c>Shift</c> are being held down, a <c>keypress</c>/<c>input</c> event will also be generated. The <see cref="DownOptions.Text"/> option can be specified to force an input event to be generated.229 /// </remarks>230 /// <returns></returns>231 public async Task PressAsync(string key, PressOptions options = null)232 {233 await FocusAsync().ConfigureAwait(false);234 await Page.Keyboard.PressAsync(key, options).ConfigureAwait(false);235 }236 /// <summary>237 /// The method runs <c>element.querySelector</c> within the page. If no element matches the selector, the return value resolve to <c>null</c>.238 /// </summary>239 /// <param name="selector">A selector to query element for</param>240 /// <returns>Task which resolves to <see cref="ElementHandle"/> pointing to the frame element</returns>241 public async Task<ElementHandle> QuerySelectorAsync(string selector)242 {243 var handle = await ExecutionContext.EvaluateFunctionHandleAsync(244 "(element, selector) => element.querySelector(selector)",245 this, selector).ConfigureAwait(false);246 if (handle is ElementHandle element)247 {...

Full Screen

Full Screen

DOMWorld.cs

Source:DOMWorld.cs Github

copy

Full Screen

...262 }263 await handle.HoverAsync().ConfigureAwait(false);264 await handle.DisposeAsync().ConfigureAwait(false);265 }266 internal async Task FocusAsync(string selector)267 {268 var handle = await QuerySelectorAsync(selector).ConfigureAwait(false);269 if (handle == null)270 {271 throw new SelectorException($"No node found for selector: {selector}", selector);272 }273 await handle.FocusAsync().ConfigureAwait(false);274 await handle.DisposeAsync().ConfigureAwait(false);275 }276 internal async Task<string[]> SelectAsync(string selector, params string[] values)277 {278 if (!((await QuerySelectorAsync(selector).ConfigureAwait(false)) is ElementHandle handle))279 {280 throw new SelectorException($"No node found for selector: {selector}", selector);281 }282 var result = await handle.SelectAsync(values).ConfigureAwait(false);283 await handle.DisposeAsync();284 return result;285 }286 internal async Task TapAsync(string selector)287 {...

Full Screen

Full Screen

PuppeteerExtensions.cs

Source:PuppeteerExtensions.cs Github

copy

Full Screen

...193 {194 ElementHandle element;195 while (true)196 {197 await page.FocusAsync(selector);198 await page.Keyboard.DownAsync("Control");199 await page.Keyboard.PressAsync("A");200 await page.Keyboard.UpAsync("Control");201 await page.Keyboard.PressAsync("Backspace");202 await page.Keyboard.TypeAsync(text, options);203 element = await page.QuerySelectorAsync(selector);204 if (element != null)205 {206 var value = await page.GetValueAsync(selector);207 if (value != text)208 continue;209 }210 return;211 }...

Full Screen

Full Screen

LinzNetz.cs

Source:LinzNetz.cs Github

copy

Full Screen

...104 }105 private static async Task SetDate(Page page, string date, string id, bool disableJavascript) {106 // disable some javascript needed to avoid weird value flickering107 if (disableJavascript) await page.SetJavaScriptEnabledAsync(false);108 await page.FocusAsync($"#{id}");109 for (int i = 0; i < 10; i++) {110 await page.Keyboard.PressAsync("Delete");111 }112 await page.TypeAsync($"#{id}", date);113 if (disableJavascript) await page.SetJavaScriptEnabledAsync(true);114 // trigger onblur event, otherwise date is not accepted115 await page.EvaluateExpressionAsync($"document.getElementById('{id}').blur()");116 }117 public void PrintBaseInfo() {118 Console.WriteLine(BaseInfo);119 foreach (var anlage in BaseInfo.anlagen) {120 Console.WriteLine(anlage);121 }122 }123 private static async Task NavigateToConsumption(Page page) {124 Console.WriteLine("go to Verbrauchsdateninformation");125 // go to Verbrauchsdateninformation:126 await page.WaitForSelectorAsync("#j_idt932");127 await page.ClickAsync("#j_idt932");128 // click again129 await page.WaitForSelectorAsync("#j_idt932");130 await page.ClickAsync("#j_idt932");131 await page.WaitForSelectorAsync("h1");132 }133 private static async Task Login(string username, string password, Page page) {134 Console.WriteLine("enter credentials");135 await page.WaitForSelectorAsync("#username");136 await page.FocusAsync("#username");137 await page.Keyboard.TypeAsync(username);138 await page.WaitForSelectorAsync("#password");139 await page.FocusAsync("#password");140 await page.Keyboard.TypeAsync(password);141 Console.WriteLine("click login submit");142 await page.WaitForSelectorAsync("form .netz-btn--primary");143 await page.ClickAsync("form .netz-btn--primary");144 Console.WriteLine("login done!");145 }146 private static async Task NavigateToLogin(Page page) {147 await page.GoToAsync("https://www.linznetz.at/portal/de/home");148 Console.WriteLine("go to login page");149 await page.WaitForSelectorAsync(".netz-login-link");150 await page.ClickAsync(".netz-login-link");151 }152 private void CleanupDownloads(DirectoryInfo downloadDir) {153 downloadDir.Delete(true);...

Full Screen

Full Screen

Form1.cs

Source:Form1.cs Github

copy

Full Screen

...153 //}154 //public async Task FocusElement_ByCssSelector(string selector)155 //{156 // if (usingFrame)157 // await frame.FocusAsync(selector);158 // else159 // await page.FocusAsync(selector);160 //}161 //public async Task TypeText_ByCssSelector(string selector, string val)162 //{163 // if (usingFrame)164 // await frame.TypeAsync(selector, val);165 // else166 // await page.TypeAsync(selector, val);167 //}168 //public async Task Click_ByCssSelector(string selector)169 //{170 // if (usingFrame)171 // await frame.ClickAsync(selector);172 // else173 // await page.ClickAsync(selector);...

Full Screen

Full Screen

Program.cs

Source:Program.cs Github

copy

Full Screen

...117 Console.WriteLine(e.Request.Url);118 }119 private static async Task TypeFieldValue(Page page, string fieldSelector, string value, int delay = 0)120 {121 await page.FocusAsync(fieldSelector);122 await page.TypeAsync(fieldSelector, value, new TypeOptions { Delay = delay });123 await page.Keyboard.PressAsync("Tab");124 }125 private static async Task TypeFieldValueSearch(Page page, string fieldSelector, string value, int delay = 0)126 {127 await page.FocusAsync(fieldSelector);128 await page.TypeAsync(fieldSelector, value, new TypeOptions { Delay = delay });129 }130 }131 public class Data132 {133 public string author { get; set; }134 public string posttext { get; set; }135 }136 public class Content137 {138 public string content { get; set; }139 }140}...

Full Screen

Full Screen

Chromium.cs

Source:Chromium.cs Github

copy

Full Screen

...27 public async Task InputSelectorAsync (Page page, string selector, string dataInput, ILogger log) {28 try {29 log.LogInformation ("Begin - InputSelectorAsync()");30 await page.WaitForSelectorAsync (selector);31 await page.FocusAsync (selector);32 await page.Keyboard.TypeAsync (dataInput);33 log.LogInformation ("End - InputSelectorAsync()");34 } catch (Exception ex) {35 log.LogError ("Erro: {0}", ex.Message);36 }37 }38 public async Task ClickSelectorAsync (Page page, string selector, bool WaitForNavigation, ILogger log) {39 try {40 log.LogInformation ("Begin - ClickSelectorAsync()");41 await page.ClickAsync (selector);42 if (WaitForNavigation) {43 await page.WaitForNavigationAsync (new NavigationOptions { WaitUntil = new [] { WaitUntilNavigation.Load }, Timeout = 4000 });44 }45 log.LogInformation ("End - ClickSelectorAsync()");...

Full Screen

Full Screen

SelectorException.cs

Source:SelectorException.cs Github

copy

Full Screen

...8 /// <seealso cref="Frame.SelectAsync(string, string[])"/>9 /// <seealso cref="Page.ClickAsync(string, Input.ClickOptions)"/>10 /// <seealso cref="Page.TapAsync(string)"/>11 /// <seealso cref="Page.HoverAsync(string)"/>12 /// <seealso cref="Page.FocusAsync(string)"/>13 /// <seealso cref="Page.SelectAsync(string, string[])"/>14 [Serializable]15 public class SelectorException : PuppeteerException16 {17 /// <summary>18 /// Gets the selector.19 /// </summary>20 /// <value>The selector.</value>21 public string Selector { get; }22 /// <summary>23 /// Initializes a new instance of the <see cref="SelectorException"/> class.24 /// </summary>25 /// <param name="message">Message.</param>26 public SelectorException(string message) : base(message)...

Full Screen

Full Screen

FocusAsync

Using AI Code Generation

copy

Full Screen

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 LaunchOptions10 {11 }))12 {13 var page = await browser.NewPageAsync();14 var element = await page.QuerySelectorAsync("#searchInput");15 await element.FocusAsync();16 }17 }18 }19}

Full Screen

Full Screen

FocusAsync

Using AI Code Generation

copy

Full Screen

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 searchBox = await page.QuerySelectorAsync("input[name='q']");13 await searchBox.FocusAsync();14 await page.Keyboard.TypeAsync("puppeteer-sharp");15 await page.Keyboard.PressAsync("Enter");16 await Task.Delay(1000);17 await page.ScreenshotAsync("google.png");18 }19 }20 }21}

Full Screen

Full Screen

FocusAsync

Using AI Code Generation

copy

Full Screen

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });9 var page = await browser.NewPageAsync();10 var searchBox = await page.QuerySelectorAsync("input[name='q']");11 await searchBox.FocusAsync();12 await page.Keyboard.TypeAsync("Hello World!");13 await page.ScreenshotAsync("1.png");14 await browser.CloseAsync();15 }16 }17}

Full Screen

Full Screen

FocusAsync

Using AI Code Generation

copy

Full Screen

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions10 {11 });12 var page = await browser.NewPageAsync();13 var inputElement = await page.QuerySelectorAsync("input");14 await inputElement.FocusAsync();15 await page.Keyboard.TypeAsync("Hello World");16 await Task.Delay(5000);17 await browser.CloseAsync();18 }19 }20}

Full Screen

Full Screen

FocusAsync

Using AI Code Generation

copy

Full Screen

1var page = await browser.NewPageAsync();2var searchBox = await page.QuerySelectorAsync("input[name='q']");3await searchBox.FocusAsync();4await page.Keyboard.TypeAsync("Hello World");5await page.Keyboard.PressAsync("Enter");6var page = await browser.NewPageAsync();7var searchBox = await page.QuerySelectorAsync("input[name='q']");8await searchBox.FocusAsync();9await page.Keyboard.TypeAsync("Hello World");10await page.Keyboard.PressAsync("Enter");11var page = await browser.NewPageAsync();12var searchBox = await page.QuerySelectorAsync("input[name='q']");13await searchBox.FocusAsync();14await page.Keyboard.TypeAsync("Hello World");15await page.Keyboard.PressAsync("Enter");16var page = await browser.NewPageAsync();17var searchBox = await page.QuerySelectorAsync("input[name='q']");18await searchBox.FocusAsync();19await page.Keyboard.TypeAsync("Hello World");20await page.Keyboard.PressAsync("Enter");21var page = await browser.NewPageAsync();22var searchBox = await page.QuerySelectorAsync("input[name='q']");23await searchBox.FocusAsync();24await page.Keyboard.TypeAsync("Hello World");25await page.Keyboard.PressAsync("Enter");26var page = await browser.NewPageAsync();27var searchBox = await page.QuerySelectorAsync("input[name='q']");28await searchBox.FocusAsync();29await page.Keyboard.TypeAsync("Hello World");30await page.Keyboard.PressAsync("Enter");

Full Screen

Full Screen

FocusAsync

Using AI Code Generation

copy

Full Screen

1var page = await browser.NewPageAsync();2var searchElement = await page.QuerySelectorAsync("input[title='Search']");3await searchElement.FocusAsync();4var page = await browser.NewPageAsync();5await page.FocusAsync("input[title='Search']");6var page = await browser.NewPageAsync();7var frame = page.MainFrame;8await frame.FocusAsync("input[title='Search']");9var page = await browser.NewPageAsync();10var searchElement = await page.QuerySelectorAsync("input[title='Search']");11await searchElement.FocusAsync();12var page = await browser.NewPageAsync();13await page.FocusAsync("input[title='Search']");14var page = await browser.NewPageAsync();15var frame = page.MainFrame;16await frame.FocusAsync("input[title='Search']");17var page = await browser.NewPageAsync();18var searchElement = await page.QuerySelectorAsync("input[title='Search']");19await searchElement.FocusAsync();20var page = await browser.NewPageAsync();21await page.FocusAsync("input[title='Search']");22var page = await browser.NewPageAsync();

Full Screen

Full Screen

FocusAsync

Using AI Code Generation

copy

Full Screen

1await page.FocusAsync("input[name='q']");2await page.FocusAsync("input[name='q']");3await page.QuerySelectorAsync("input[name='q']").FocusAsync();4await page.QuerySelectorAsync("input[name='q']").FocusAsync();5await page.QuerySelectorAsync("input[name='q']").FocusAsync();6await page.FocusAsync("input[name='q']");7await page.QuerySelectorAsync("input[name='q']").FocusAsync();8await page.QuerySelectorAsync("input[name='q']").FocusAsync();9await page.QuerySelectorAsync("input[name='q']").FocusAsync();10await page.QuerySelectorAsync("input[name='q']").FocusAsync();11await page.QuerySelectorAsync("input[name='q']").FocusAsync();12await page.QuerySelectorAsync("input[name='q']").FocusAsync();13await page.QuerySelectorAsync("input[name='q']").FocusAsync();14await page.QuerySelectorAsync("input[name='q']").FocusAsync();15await page.QuerySelectorAsync("input[name='q']").FocusAsync();

Full Screen

Full Screen

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful