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Asked: 2026-06-02T05:55:19+00:00

I’m using Ruby and Nokogiri to parse HTML documents, and I would like to

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I’m using Ruby and Nokogiri to parse HTML documents, and I would like to select all nodes matching a CSS class, which I don’t know in advance, but have the display: none style attribute.

Example:

<html>
  <body>
    <p class="visibleTopics">Visible Topic Content</p>
    <p class="invisibleTopics">Invisible Topic Content</p>    
  </body
</html>

and in other file it’s defined:

.invisibleTopic {
    display: none
}

I’d like to select the node with invisibleTopics content by its style display: none. Any suggestions?

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1 Answer

  1. Editorial Team

    Nokogiri doesn’t compute styles. You need a browser for that. With Watir-Webdriver you would do:

    browser.ps.reject{|p| p.visible?}
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