$ document.querySelectorAll('html > body')
> NodeList [ body ]
$ document.querySelectorAll('html > *')
> NodeList [ head, body ]
$ querySelectorShadowDom.querySelectorAllDeep('html > body')
> Array [ body ]
$ querySelectorShadowDom.querySelectorAllDeep('html > *')
> Array(36) [ head, meta, style, title, meta, meta, meta, script, script, link, … ]
