Best Playwright-dotnet code snippet using Microsoft.Playwright.PageEvalOnSelectorOptions
IPage.cs
Source: IPage.cs
...578 /// expression.579 /// </param>580 /// <param name="arg">Optional argument to pass to <paramref name="expression"/>.</param>581 /// <param name="options">Call options</param>582 Task<T> EvalOnSelectorAsync<T>(string selector, string expression, object? arg = default, PageEvalOnSelectorOptions? options = default);583 /// <summary>584 /// <para>585 /// The method finds all elements matching the specified selector within the page and586 /// passes an array of matched elements as a first argument to <paramref name="expression"/>.587 /// Returns the result of <paramref name="expression"/> invocation.588 /// </para>589 /// <para>590 /// If <paramref name="expression"/> returns a <see cref="Task"/>, then <see cref="IPage.EvalOnSelectorAllAsync"/>591 /// would wait for the promise to resolve and return its value.592 /// </para>593 /// <para>Examples:</para>594 /// <code>var divsCount = await page.EvalOnSelectorAllAsync<bool>("div", "(divs, min) => divs.length >= min", 10);</code>595 /// </summary>596 /// <remarks>...
PageSynchronous.cs
Source: PageSynchronous.cs
...1407 /// expression.1408 /// </param>1409 /// <param name="arg">Optional argument to pass to <paramref name="expression"/>.</param>1410 /// <param name="options">Call options</param>1411 public static T EvalOnSelector<T>(this IPage page, string selector, string expression, object? arg = null, PageEvalOnSelectorOptions? options = null)1412 {1413 var result = page.EvalOnSelectorAsync<T>(selector, expression, arg, options).GetAwaiter().GetResult();1414 return result;1415 }1416 /// <summary>1417 /// <para>1418 /// The method finds all elements matching the specified selector within the page and1419 /// passes an array of matched elements as a first argument to <paramref name="expression"/>.1420 /// Returns the result of <paramref name="expression"/> invocation.1421 /// </para>1422 /// <para>1423 /// If <paramref name="expression"/> returns a <see cref="Task"/>, then <see cref="IPage.EvalOnSelectorAllAsync"/>1424 /// would wait for the promise to resolve and return its value.1425 /// </para>...
Page.cs
Source: Page.cs
...362 }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));...
PageModel.cs
Source: PageModel.cs
...294 protected virtual void EvalOnSelector(string selector, string expression, object? arg = null)295 {296 this.Page.EvalOnSelector(selector, expression, arg);297 }298 protected virtual void EvalOnSelector<T>(string selector, string expression, object? arg = null, PageEvalOnSelectorOptions? options = null)299 {300 this.Page.EvalOnSelector<T>(selector, expression, arg, options);301 }302 protected virtual void Evaluate(string expression, object? arg = null)303 {304 this.Page.Evaluate(expression, arg);305 }306 protected virtual void Evaluate<T>(string expression, object? arg = null)307 {308 this.Page.Evaluate<T>(expression, arg);309 }310 protected virtual void EvaluateHandle(string expression, object? arg = null)311 {312 this.Page.EvaluateHandle(expression, arg);...
PageEvalOnSelectorOptions.cs
Source: PageEvalOnSelectorOptions.cs
...35using System.Threading.Tasks;36#nullable enable37namespace Microsoft.Playwright38{39 public class PageEvalOnSelectorOptions40 {41 public PageEvalOnSelectorOptions() { }42 public PageEvalOnSelectorOptions(PageEvalOnSelectorOptions clone)43 {44 if (clone == null)45 {46 return;47 }48 Strict = clone.Strict;49 }50 /// <summary>51 /// <para>52 /// When true, the call requires selector to resolve to a single element. If given selector53 /// resolves to more then one element, the call throws an exception.54 /// </para>55 /// </summary>56 [JsonPropertyName("strict")]...
PageEvalOnSelectorOptions
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;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 context = await browser.NewContextAsync();13 var page = await context.NewPageAsync();14 await page.TypeAsync("input[type=\"text\"]", "playwright");15 await page.ClickAsync("input[type=\"submit\"]");16 await page.ClickAsync("text=Playwright");17 await page.ClickAsync("text=Docs");18 await page.ClickAsync("text=API Reference");19 await page.ClickAsync("text=Page");20 await page.ClickAsync("text=Page.evaluateOnSelectorAll");21 await page.ClickAsync("text=Parameters");22 await page.ClickAsync("text=selector");23 await page.ClickAsync("text=Function to be evaluated in browser context");
PageEvalOnSelectorOptions
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;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(headless: false);10 var context = await browser.NewContextAsync();11 var page = await context.NewPageAsync();12 await page.ClickAsync("input[name=q]");13 await page.TypeAsync("input[name=q]", "playwright");14 await page.ClickAsync("text=Search");15 await page.WaitForLoadStateAsync(LoadState.NetworkIdle);16 {17 };18 var result = await page.EvalOnSelectorAsync<string>("text=Playwright is a Node library to automate Chromium, Firefox and WebKit with a single API", "el => el.textContent", pageEvalOnSelectorOptions);19 Console.WriteLine(result);20 }21 }22}23using System;24using System.Threading.Tasks;25using Microsoft.Playwright;26{27 {28 static async Task Main(string[] args)29 {30 using var playwright = await Playwright.CreateAsync();31 await using var browser = await playwright.Chromium.LaunchAsync(headless: false);32 var context = await browser.NewContextAsync();33 var page = await context.NewPageAsync();34 await page.ClickAsync("input[name=q]");35 await page.TypeAsync("input[name=q]", "playwright");36 await page.ClickAsync("text=Search");37 await page.WaitForLoadStateAsync(LoadState.NetworkIdle);38 {39 };40 var result = await page.EvalOnSelectorAllAsync<string>("text=Playwright is a Node library to automate Chromium, Firefox and WebKit with a single API", "el => el.textContent", pageEvalOnSelectorAllOptions);41 Console.WriteLine(result);42 }43 }44}
PageEvalOnSelectorOptions
Using AI Code Generation
1using Microsoft.Playwright;2using System.Threading.Tasks;3{4 {5 static async Task Main(string[] args)6 {7 using var playwright = await Playwright.CreateAsync();8 await using var browser = await playwright.Chromium.LaunchAsync();9 var context = await browser.NewContextAsync();10 var page = await context.NewPageAsync();11 await page.ClickAsync("text=Images");12 await page.ClickAsync("text=Maps");13 await page.ClickAsync("text=News");14 await page.ClickAsync("text=Videos");15 await page.ClickAsync("text=Shopping");16 await page.ClickAsync("text=Books");17 await page.ClickAsync("text=Flights");18 await page.ClickAsync("text=Finance");19 await page.ClickAsync("text=More");20 await page.ClickAsync("text=About");21 await page.ClickAsync("text=How Search works");22 await page.ClickAsync("text=Privacy");23 await page.ClickAsync("text=Terms");24 await page.ClickAsync("text=Settings");25 await page.ClickAsync("text=Advertising");26 await page.ClickAsync("text=Business");27 await page.ClickAsync("text=How Search works");28 await page.ClickAsync("text=Privacy");29 await page.ClickAsync("text=Terms");30 await page.ClickAsync("text=Settings");31 await page.ClickAsync("text=Advertising");32 await page.ClickAsync("text=Business");33 await page.ClickAsync("text=About");34 await page.ClickAsync("text=How Search works");35 await page.ClickAsync("text=Privacy");36 await page.ClickAsync("text=Terms");37 await page.ClickAsync("text=Settings");38 await page.ClickAsync("text=Advertising");39 await page.ClickAsync("text=Business");40 await page.ClickAsync("text=About");41 await page.ClickAsync("text=How Search works");42 await page.ClickAsync("text=Privacy");43 await page.ClickAsync("text=Terms");44 await page.ClickAsync("text=Settings");45 await page.ClickAsync("text=Advertising");46 await page.ClickAsync("text=Business");47 await page.ClickAsync("text=About");48 await page.ClickAsync("text=How Search works");49 await page.ClickAsync("text=Privacy");50 await page.ClickAsync("
PageEvalOnSelectorOptions
Using AI Code Generation
1using Microsoft.Playwright;2using Microsoft.Playwright.Helpers;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9 {10 static async Task Main(string[] args)11 {12 await using var playwright = await Playwright.CreateAsync();13 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions { Headless = false });14 var context = await browser.NewContextAsync(new BrowserNewContextOptions { ViewportSize = new ViewportSize { Width = 1920, Height = 1080 } });15 var page = await context.NewPageAsync();16 await page.TypeAsync("input[title='Search']", "Playwright");17 await page.PressAsync("input[title='Search']", "Enter");18 await page.WaitForSelectorAsync("text=Playwright: Node.js library to automate Chromium, Firefox and WebKit with a single API");19 var pageEvalOnSelectorOptions = new PageEvalOnSelectorOptions { Timeout = 1000 };20 var result = await page.EvalOnSelectorAsync<string>("text=Playwright: Node.js library to automate Chromium, Firefox and WebKit with a single API", "element => element.textContent", pageEvalOnSelectorOptions);21 Console.WriteLine(result);22 await page.CloseAsync();23 await context.CloseAsync();24 await browser.CloseAsync();25 }26 }27}
PageEvalOnSelectorOptions
Using AI Code Generation
1using Microsoft.Playwright;2using System;3{4 {5 static async System.Threading.Tasks.Task Main(string[] args)6 {7 using var playwright = await Playwright.CreateAsync();8 await using var browser = await playwright.Chromium.LaunchAsync();9 var page = await browser.NewPageAsync();10 await page.TypeAsync("input[aria-label='Search']", "Hello World");11 await page.PressAsync("input[aria-label='Search']", "Enter");12 await page.ScreenshotAsync("example.png");13 await browser.CloseAsync();14 }15 }16}17using Microsoft.Playwright;18using System;19{20 {21 static async System.Threading.Tasks.Task Main(string[] args)22 {23 using var playwright = await Playwright.CreateAsync();24 await using var browser = await playwright.Chromium.LaunchAsync();25 var page = await browser.NewPageAsync();26 await page.TypeAsync("input[aria-label='Search']", "Hello World");27 await page.PressAsync("input[aria-label='Search']", "Enter");28 await page.ScreenshotAsync("example.png");29 await browser.CloseAsync();30 }31 }32}33using Microsoft.Playwright;34using System;35{36 {37 static async System.Threading.Tasks.Task Main(string[] args)38 {39 using var playwright = await Playwright.CreateAsync();40 await using var browser = await playwright.Chromium.LaunchAsync();41 var page = await browser.NewPageAsync();42 await page.TypeAsync("input[aria-label='Search']", "Hello World");43 await page.PressAsync("input[aria-label='Search']", "Enter");44 await page.ScreenshotAsync("example.png");45 await browser.CloseAsync();46 }47 }48}49using Microsoft.Playwright;50using System;51{
PageEvalOnSelectorOptions
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 BrowserTypeLaunchOptions10 {11 });12 var context = await browser.NewContextAsync();13 var page = await context.NewPageAsync();14 await page.TypeAsync("input[name='q']", "Hello World!");15 await page.ClickAsync("input[value='Google Search']");16 await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);17 await page.ClickAsync("input[value='Feeling Lucky']");18 await page.WaitForLoadStateAsync(LoadState.DOMContentLoaded);19 {20 };21 var result = await page.EvalOnSelectorAsync<string>("input[name='q']", "e => e.value", pageEvalOnSelectorOptions);22 Console.WriteLine(result);23 Console.ReadLine();24 }25 }26}27Playwright: How to use Page.EvalOnSelectorAsync() method to evaluate the selector options28Playwright: How to use Page.EvalOnSelectorAllAsync() method to evaluate the selector options29Playwright: How to use Page.EvalOnSelectorAllAsync() method to evaluate the selector options30Playwright: How to use Page.EvalOnSelectorAsync() method to evaluate the selector options31Playwright: How to use Page.EvalOnSelectorAllAsync() method to evaluate the selector options32Playwright: How to use Page.EvalOnSelectorAllAsync() method to evaluate the selector options33Playwright: How to use Page.EvalOnSelectorAsync() method to evaluate the selector options34Playwright: How to use Page.EvalOnSelectorAsync() method to evaluate the selector options35Playwright: How to use Page.EvalOnSelectorAllAsync() method to evaluate the selector options36Playwright: How to use Page.EvalOnSelectorAllAsync() method to evaluate the selector options37Playwright: How to use Page.EvalOnSelectorAsync() method to evaluate the selector options
PageEvalOnSelectorOptions
Using AI Code Generation
1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions3{4});5var context = await browser.NewContextAsync();6var page = await context.NewPageAsync();7await page.ClickAsync("text=HTML");8await page.EvalOnSelectorAsync("select", "select => select.options");9await browser.CloseAsync();10var playwright = await Playwright.CreateAsync();11var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions12{13});14var context = await browser.NewContextAsync();15var page = await context.NewPageAsync();16await page.ClickAsync("text=HTML");17await page.EvalOnSelectorAllAsync("select", "select => select.options");18await browser.CloseAsync();19var playwright = await Playwright.CreateAsync();20var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions21{22});23var context = await browser.NewContextAsync();24var page = await context.NewPageAsync();25await page.ClickAsync("text=HTML");26await page.EvaluateHandleAsync("select => select.options", await page.QuerySelectorAsync("select"));27await browser.CloseAsync();28var playwright = await Playwright.CreateAsync();29var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions30{31});
PageEvalOnSelectorOptions
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 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11 {12 });13 var context = await browser.NewContextAsync();14 var page = await context.NewPageAsync();15 await page.SwitchToFrameAsync("iframeResult");16 await page.SelectOptionAsync("select", new PageSelectOptionOptions17 {18 });19 var selectedOption = await page.EvalOnSelectorAsync<string>("select", "(select) => select.value");20 Console.WriteLine($"selected option: {selectedOption}");21 }22 }23}24using Microsoft.Playwright;25using System;26using System.Threading.Tasks;27{28 {29 static async Task Main(string[] args)30 {31 Console.WriteLine("Hello World!");32 using var playwright = await Playwright.CreateAsync();33 await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions34 {35 });36 var context = await browser.NewContextAsync();37 var page = await context.NewPageAsync();
PageEvalOnSelectorOptions
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Helpers;5using Microsoft.Playwright.Transport.Channels;6{7 {8 static async Task Main(string[] args)9 {10 using var playwright = await Playwright.CreateAsync();11 await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions12 {13 });14 var page = await browser.NewPageAsync();15 var text = await page.EvalOnSelectorAsync<string>("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input", "element => element.value");16 Console.WriteLine(text);17 }18 }19}20var text = await page.EvalOnSelectorAsync<string>("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input", "element => element.value");21var text = await page.QuerySelectorAsync("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input");22Console.WriteLine(text);23var text = await page.EvalOnSelectorAsync<string>("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input", "element => element.value");24var text = await page.QuerySelectorAsync("#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4
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Using a selector that finds a list of locators in Playwright is exactly the same as calling .FindElements() in selenium, except that Playwright does not have a specifically named method like .FindLocators().
Playwright - a selector that matches multiple elements returns a list of locators, which you then iterate over:
var rows = page.GetByRole(AriaRole.Listitem);
var count = await rows.CountAsync();
for (int i = 0; i < count; ++i)
Console.WriteLine(await rows.Nth(i).TextContentAsync());
Selenium - FindElements returns a list of elements that you have to iterate over.
IList < IWebElement > elements = driver.FindElements(By.TagName("p"));
foreach(IWebElement e in elements) {
System.Console.WriteLine(e.Text);
}
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