ent-button" disabled="disabled"></button>
	<select id="disabledElement-select" disabled="disabled"></select>
	<textarea id="disabledElement-textarea" disabled="disabled"></textarea>
</div>

<div>
	<div id="displayNoneAncestor" style="display: none;">
		<input id="displayNoneAncestor-input">
		<span tabindex="1" id="displayNoneAncestor-span">.</span>
	</div>

	<div id="visibilityHiddenAncestor" style="visibility: hidden;">
		<input id="visibilityHiddenAncestor-input">
		<span tabindex="1" id="visibilityHidde