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Which selects document’s root element?
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- :out-of-range
- :required
- :root
- ::selection
- None of these
Correct Option: C
:root selects the document’s root element, ::selection selects the portion of an element that is selected by a user, :required selects input elements with “required” attribute specified, :out-of-range selects input elements with a value outside a specified range.