umstek/main.js

## main.js
var fs = require('fs');
var http = require('http');

http.createServer(function (request, response) {
    var path = request.url;
    console.log(request.method, request.url);

    if (path === '/') { // Serving default page from code instead of a file.
        var html = "<!DOCTYPE html>" +
            "<html>\n" +
            "  <head></head>\n" +
            "  <body>\n    <div id='content'></div>\n    <script src='js.js'></script>\n  </body>\n" +
            "</html>";
        response.writeHead(200, { 'Content-Type': 'text/html' });
        response.end(html);
    } else {

        var content = null;
        try {
            content = fs.readFileSync("." + path); // read file content synchronously
        } catch (error) { // File not found, permission error etc.
            console.log(path, "doesn't exist. ");
            response.writeHead(404, { 'Content-Type': 'text/plain' });
            response.end("Content not found. ");
            return;
        }

        var ext = path.split('.').pop(); // gets the extension.
        // console.log(content);
        var extToIMT = { // Simple lookup to convert extensions to Internet Media Type
            'txt': 'text/plain',
            'html': 'text/html',
            'js': 'text/javascript',
            'css': 'text/css'
        };
        var imt = "";
        if (ext in extToIMT) {
            imt = extToIMT[ext];
        } else { // Unknown type.
            imt = 'application/octet-stream';
        }
        response.writeHead(200, { 'Content-Type': imt });
        response.end(content);
    }

}).listen('8000'); // Start server.
	var fs = require('fs');
	var http = require('http');

	http.createServer(function (request, response) {
	var path = request.url;
	console.log(request.method, request.url);

	if (path === '/') { // Serving default page from code instead of a file.
	var html = "<!DOCTYPE html>" +
	"<html>\n" +
	" <head></head>\n" +
	" <body>\n <div id='content'></div>\n <script src='js.js'></script>\n </body>\n" +
	"</html>";
	response.writeHead(200, { 'Content-Type': 'text/html' });
	response.end(html);
	} else {

	var content = null;
	try {
	content = fs.readFileSync("." + path); // read file content synchronously
	} catch (error) { // File not found, permission error etc.
	console.log(path, "doesn't exist. ");
	response.writeHead(404, { 'Content-Type': 'text/plain' });
	response.end("Content not found. ");
	return;
	}

	var ext = path.split('.').pop(); // gets the extension.
	// console.log(content);
	var extToIMT = { // Simple lookup to convert extensions to Internet Media Type
	'txt': 'text/plain',
	'html': 'text/html',
	'js': 'text/javascript',
	'css': 'text/css'
	};
	var imt = "";
	if (ext in extToIMT) {
	imt = extToIMT[ext];
	} else { // Unknown type.
	imt = 'application/octet-stream';
	}
	response.writeHead(200, { 'Content-Type': imt });
	response.end(content);
	}

	}).listen('8000'); // Start server.