<p><span>Hello</span>, how are you?</p>
<p>Me? I'm <span>good</span>.</p>
{
  const ex = $('p').find('span')
  
  console.log(ex)
}

{
  const ex = Array.from(document.querySelectorAll('p'), element => {
    return Array.from(element.querySelectorAll('span'))
  }).flat()
  
  console.log(ex)
}

External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/modern-normalize/1.1.0/modern-normalize.min.css
  2. https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&amp;display=swap

External JavaScript

  1. https://releases.jquery.com/git/jquery-3.x-git.slim.min.js