How to get the id of an anchor tag in jQuery?

How to get the id of an anchor tag in jQuery? This is the tag.

 <ul class="formfield">
     <li class="selected"><a href="" id="text">Text</a></li>
     <li><a href="" id="textarea">Textarea</a></li>
 </ul>

I need to get the id, i.e., textarea,text etc in a variable.

I tried something like this,but there is no such thing as fieldValue I suppose.

$('.formfield a').click(function() {         
    fieldType=$('.formfield a').fieldValue();
    alert(fieldType);
});