HTML5 Datalist
HTML
Favorite color:
<input type="text" name="favorite_color" list="colors" placeholder="Enter a color">
<datalist id="colors">
<option value="Blue">
<option value="Brown">
<option value="Cyan">
<option value="Green">
<option value="Orange">
<option value="Pink">
<option value="Purple">
<option value="Red">
<option value="Yellow">
</datalist>
</input>