MiMFa PointerJS

MiMFa PointerJS is a powerful C# library that enables seamless interaction with Web elements using JavaScript commands executed directly from a C# environment. Automate tasks, extract Data, and handle dynamic content with ease using intuitive selectors and commands. Perfect for Web scraping, automation, and... PointerJS is a powerful tool for interacting with web elements using JavaScript commands executed from a C# environment. Here, we'll guide you through simple and complex examples using PointerJS.

Example 1: Automating a Login Process

This example demonstrates how to fill in a login form and submit it using PointerJS.


// Automating a Login Process
PointerJS pointer = new PointerJS((scripts, args) => yourBrowser.ExecuteScript(scripts, args));

pointer.Select("#username").SetValue("myUsername").Perform();
pointer.Select("#password").SetValue("myPassword").Perform();
pointer.Select("#loginButton").Click().Perform();

Example 2: Extracting Product Information

This example shows how to extract product titles and prices from an e-commerce website.


// Extracting Product Information
PointerJS pointer = new PointerJS((scripts, args) => yourBrowser.ExecuteScript(scripts, args));

var productTitles = pointer.Select(".product-title").All().ToArray();
var productPrices = pointer.Select(".product-price").All().ToArray();

for (int i = 0; i < productTitles.Length; i++) {
    Console.WriteLine($"Product: {productTitles[i].GetValue()}, Price: {productPrices[i].GetValue()}");
}

Example 3: Navigating a Multi-page Form

This example automates filling out a multi-page form and navigating through it.


// Navigating a Multi-page Form
PointerJS pointer = new PointerJS((scripts, args) => yourBrowser.ExecuteScript(scripts, args));

pointer.Select("input[name='firstName']").SetValue("John").Perform();
pointer.Select("input[name='lastName']").SetValue("Doe").Perform();
pointer.Select("#nextButton").Click().Perform();

Example 4: Extracting Data from a Table

This example shows how to extract data from an HTML table and process it.


// Extracting Data from a Table
PointerJS pointer = new PointerJS((scripts, args) => yourBrowser.ExecuteScript(scripts, args));

foreach (var row in pointer.Select("table#data tbody tr").All()) {
    var cells = row.Select("td").All().ToArray();
    Console.WriteLine($"Row Data: {string.Join(", ", cells.Select(cell => cell.GetValue()))}");
}

Example 5: Handling Dynamic Content

This example demonstrates how to interact with dynamic content that requires executing JavaScript.


// Handling Dynamic Content
PointerJS pointer = new PointerJS((scripts, args) => yourBrowser.ExecuteScript(scripts, args));

pointer.Execute("document.querySelector('.load-more-button').click()");
var newContent = pointer.Select(".new-content").All().ToArray();
Console.WriteLine($"New Content: {string.join(", ", newContent.Select(content => content.GetValue()))}");