app.get('/try', function (req, res) not working

Question

i am new to node and express. this is my code :

var express = require('express'); 
var app = express();  
app.get('/', function (req, res)
{ res.send(' { “Hello”: “World” }'); }); 
app.get('/about', function (req, res){ 
 res.send(' { “Hello”: “World” }'); });    
app.listen(3000);  

this works but when i try

app.get('/try', function (req, res){
res.send(' { “Hello”: “World” }');
}); 

the browser give me this message: Cannot GET /try

I am not sure what I am doing wrong

this is express 4 version

Answer 1

重新启动Express服务器解决了该问题