Ajax, call jQuery POST to node.js expressjs

tipjs,object,es6,nodejs,ajax

#Client HTML

$(function(){				
    $('#select_link').click(function(e){
        e.preventDefault();
        console.log('select_link clicked');
        
         /*$.ajax({
            dataType: 'jsonp',
            data: "data=yeah",						
            jsonp: 'callback',
            url: 'http://localhost:3000/endpoint?callback=?',						
            success: function(data) {
                console.log('success');
                console.log(JSON.stringify(data));
            }
        });*/

        var data = {};
        data.title = "title";
        data.message = "message";
        
        $.ajax({
            type: 'POST',
            data: JSON.stringify(data),
            contentType: 'application/json',
            url: 'http://localhost:3000/endpoint',						
            success: function(data) {
                console.log('success');
                console.log(JSON.stringify(data));
            }
        });

        /*$.ajax('http://localhost:3000/endpoint', {
                type: 'POST',
                data: JSON.stringify(data),
                contentType: 'application/json',
                success: function() { console.log('success');},
                error  : function() { console.log('error');}
        });*/
    });				
});

Back End Nodejs

var express = require('express');
var app = express.createServer();

app.use(express.bodyParser());

/*app.get('/endpoint', function(req, res){
	var obj = {};
	obj.title = 'title';
	obj.data = 'data';
	
	console.log('params: ' + JSON.stringify(req.params));
	console.log('body: ' + JSON.stringify(req.body));
	console.log('query: ' + JSON.stringify(req.query));
	
	res.header('Content-type','application/json');
	res.header('Charset','utf8');
	res.send(req.query.callback + '('+ JSON.stringify(obj) + ');');
});*/

app.post('/endpoint', function(req, res){
	var obj = {};
	console.log('body: ' + JSON.stringify(req.body));
	res.send(req.body);
});


app.listen(3000);

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