How to use PageEvalOnSelectorOptions class of Microsoft.Playwright package

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&lt;bool&gt;("div", "(divs, min) =&gt; divs.length &gt;= 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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