控制台上出现意外的JavaScript输出

var fs = require("fs");  
fs.readFile('input.txt', function(err, data) {  
    if (err) return console.error(err);  
    console.log(data.toString());  
});  
console.log("Program Ended");  
var http = require("http");  
http.createServer(function(request, response) {  
    // Send the HTTP header  
    // HTTP Status: 200 : OK  
    // Content Type: text/plain  
    response.writeHead(200, {  
    'Content-Type': 'text/plain'  
    });  
    // Send the response body as "Hello World"  
    response.end('Hello World\n');  
}).listen(8081);  
// Console will print the message  
console.log('Server running at http://127.0.0.1:8081/');