<pre>
0. Requisite: Only for Firefox
1. Click in each of the input fields
2. Press the arrow down key to show autocomplete: ▾
3. Press up ▴ and down ▾ keys to select the entries you want to remove
4. Press the Delete key while highlighting those entries
5. Profit! <small>(Follow me on github <a href="http://github.com/franciscop/">http://github.com/franciscop</a> )</small>
</pre>
<input name="name" placeholder="name">
<input name="lastname" placeholder="lastname">
<input name="email" placeholder="email">