javascript - Uncaught ReferenceError: $ is not defined to recive params from url node js? -

i'm trying send url date taken html table, has button send post url action '/item/2016-04-04' comes out in the

uncaught browser referenceerror: $ not defined   at 2016-01-01: 1; failed load resource: server responded status of 404 (not found).

client side:

<form role="form" action="/item/2016-01-01" method="post" class="form-horizontal form-label-left"><button type="submit" class="btn btn-primary btn-xs"><i class="fa fa-eye"></i> ver</button></form> 

server side:

app.post('/item/:date', function(req, res){   if(!req.carpoolsession.username){     res.redirect('/');   } else {     db_handler.obtener_localizacion_departamento_local(req.carpoolsession.username,function(queryreslocaldeplocalizacion){       console.log(req.params.id);       res.render('vista_caja_chica_item.jade',{username:req.carpoolsession.username,titulo:queryreslocaldeplocalizacion});     });   } });