What Is The Code For This??? help!?

Question

So On Your Interests Section, Whats The Code To Make The Url Bar Thing In The Interests. Its Hard To Explain But You Click On It And A List Comes Up Of The Stuff You Wrote Down.

Whats The Code For It?

Answer 1

<select>

<option> item 1 </option>

<option> item 2 </option>

<option> item 3 </option>

<option> item 4 </option>

</select>