app.js

/**
 * Module dependencies.
 */

var express = require('express');
var routes = require('./routes');
var user = require('./routes/user');
var http = require('http');
var path = require('path');

var app = express();

// all environments
app.set('port', process.env.PORT || 3000);
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');
app.use(express.favicon());
app.use(express.logger('dev'));
app.use(express.json());
app.use(express.urlencoded());
app.use(express.methodOverride());
app.use(app.router);
app.use(express.static(path.join(__dirname, 'public')));

// development only
if ('development' == app.get('env')) {
  app.use(express.errorHandler());
}

app.get('/', routes.index);
app.get('/users', user.list);

http.createServer(app).listen(app.get('port'), function(){
  console.log('Express server listening on port ' + app.get('port'));
});

Error

500 TypeError: /Users/thecopy/dev/node/alpwetter/views/index.jade:12<br/> 10| Bitte wählen Sie die Resorts Sie möchten die Wetter für sehen<br/> 11| ul<br/> > 12| each name in availableResorts<br/> 13| li<br/> 14| input(type='checkbox', value=name)<br/> 15| <br/><br/>Cannot read property 'length' of undefined

    10| Bitte wählen Sie die Resorts Sie möchten die Wetter für sehen
    11| ul
    > 12| each name in availableResorts
    13| li
    14| input(type='checkbox', value=name)
    15|
    Cannot read property 'length' of undefined
    at eval (eval at (/Users/thecopy/dev/node/alpwetter/node_modules/jade/lib/jade.js:160:8), :76:31)
    at eval (eval at (/Users/thecopy/dev/node/alpwetter/node_modules/jade/lib/jade.js:160:8), :113:4)
    at res (/Users/thecopy/dev/node/alpwetter/node_modules/jade/lib/jade.js:161:38)
    at Object.exports.render (/Users/thecopy/dev/node/alpwetter/node_modules/jade/lib/jade.js:257:10)
    at Object.exports.renderFile (/Users/thecopy/dev/node/alpwetter/node_modules/jade/lib/jade.js:293:18)
    at View.exports.renderFile [as engine] (/Users/thecopy/dev/node/alpwetter/node_modules/jade/lib/jade.js:278:21)
    at View.render (/Users/thecopy/dev/node/alpwetter/node_modules/express/lib/view.js:76:8)
    at Function.app.render (/Users/thecopy/dev/node/alpwetter/node_modules/express/lib/application.js:504:10)
    at ServerResponse.res.render (/Users/thecopy/dev/node/alpwetter/node_modules/express/lib/response.js:798:7)
    at exports.index (/Users/thecopy/dev/node/alpwetter/routes/index.js:7:7)

index.jade

extends layout

block content
  h1= title
  p Welcome to #{title}

  div
    h2 Hej
    p.
        Bitte wählen Sie die Resorts Sie möchten die Wetter für sehen
    ul
        each r in availableResorts
            li
                input(type='checkbox', value=r.name)

index.js

/*
 * GET home page.
 */

exports.index = function(req, res){
  res.render('index', { 
  	title: 'Express',
  	availableResorts: [
  		{
  			name: 'Zermatt'
  		}
  	]
  });
};