Data Parsing Knowledgebase

Dynamic CSS can make be very difficult to scrape. There are a few tricks and common idioms to approach this though.

To turn HTML data to text in Python we can use BeautifulSoup's get_text() method which strips away HTML data and leaves text as is. Here's how.

This means that scraper is not rendereding javascript that is changing the page contents. To verify this disable javascript in your browser. Here's how to scrape it.

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It's not possible to select HTML elements by text in original CSS selectors specification but here are some alternative ways to do it.

There are many ways to execute CSS selectors on HTML text in NodeJS but cheerio and osmosis libraries are the most popular ones. Here's how to use them.

To parse HTML using XPath in Nodejs we can use one of two popular libraries like osmosis or xmldom. Here's how.

Python has several options for executing XPath selectors against HTML. The most popular ones are lxml and parsel. Here's how to use them.

To select HTML elements by class name in XPath we can use the @ attribute selector and comparison function contains(). Here's how to do it.

To select elements by text using XPath contains() function can be used. Here's how to do it.

To find HTML elements using CSS selectors in Puppeteer the $ and $eval methods can be used. Here's how to use them.

To find elements by XPath using Puppeteer the $x() method can be used. Here's how to use it.

To select HTML elements by CSS selectors in Selenium the driver.find_element() method can be used with the By.CSS_SELECTOR option. Here's how to do it.

To find HTML elements that do NOT contains a specific attribute we can use regular expression matching or lambda functions. Here's how to do it.

To wait for specific HTML element to load in Selenium the WebDriverWait() object can be used with presence_of_element_located parameters. Here's how to do it.

To find sibling HTML element nodes using BeautifulSoup the find_next_sibling() method can be used or CSS selector ~. Here's how to do it in Python.

To find HTML elements by one of many different element names we can use list of tags in find() methods or CSS selectors. Here's how to do it.

To select HTML element located between two HTML elements using BeautifulSoup the find_next_sibling() method can be used. Here's how to do it.

To find HTML node by a specific attribute value in BeautifulSoup the attribute match parameter can be used in the find() methods. Here's how.

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