<label>Enter Country name:</label>
<input type="text" list="countries" />

<datalist id="countries">
	<option value="Afghanistan">
	<option value="Albania">
	<option value="United Kingdom">
	<option value="United States">
	<option value="Vanuatu">
	<option value="Vatican City">
	<option value="Yemen">
	<option value="Zambia">
	<option value="Zimbabwe">
</datalist>