<button popovertarget="popover1">Show Parent</button>

<div id="popover1" popover>
  <p>This is Parent</p>

  <button popovertarget="popover2">Show Child</button>
  <div id="popover2" popover="hint">
    <p>This is Child</p>
  </div>
</div>

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External JavaScript

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