I am trying to added a js file. But I get error:
Uncaught ReferenceError: $ is not defined 
Index.cshtml
<div id="body">
    <ul id="contacts">
    </ul>
</div>
<div>
    <ul id="comdata">
    </ul>
</div>
<script src="@Url.Content("~/Scripts/handlers.js")"></script>
**handler.js**
$(function(){
     $.getJSON('/api/contact/', function(data){
        $(data).each(function(i, item){
             $('#contacts').append('<li>' + item.Name + '</li>');
        });
    });
});
 
     
    