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22 posts tagged with "javascript"

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· 9 min read
Oleg Kulyk

Puppeteer Debugging and Troubleshooting - Best Practices

Puppeteer is a powerful tool for automating web testing and scraping. However, it is still subject to problems and bugs like any other software.

It's crucial to have a well-thought-out plan for solving issues in place for times like these.

In this post, we'll explore some of the best practices for Puppeteer debugging and troubleshooting with Puppeteer.

· 6 min read
Oleg Kulyk

How to download a file with Playwright?

In this article, we will share several ideas on how to download files with Playwright. Automating file downloads can sometimes be confusing. You need to handle a download location, download multiple files simultaneously, support streaming, and even more. Unfortunately, not all the cases are well documented. Let's go through several examples and take a deep dive into Playwright's APIs used for file download.

· 9 min read
Oleg Kulyk

Web Scraping with Deno

Dynamic languages are helpful tools for web scraping. Scripting allows users to rapidly tie together complex systems or libraries and express ideas without dealing with memory management or build systems.

JavaScript is the most popularly used dynamic language, operating on every device with a web browser, and Node.js as a JS runtime proved to be a very successful software platform. Due to design mistakes, it became hard to evolve with an existing user base, so Deno was born to resolve all the problems. Let's find out how to scrape the web and dynamic websites with Deno.

· 12 min read
Oleg Kulyk

Web Scraping with Javascript

Javascript (JS) becomes more popular as a programming language for web scraping. The whole domain becomes more demanded, and more technical specialists try to start data mining with a handy scripting language. Let's check out the main concepts of web scraping with Javascript and review the most popular libraries to improve data extraction flow.