request handler in express code example

Example 1: express route parameters

app.get('/',function(req,res)
{
    res.send("Route path at base address");
});

Example 2: express route parameters

Route path: /flights/:from-:to
Request URL: http://localhost:3000/flights/LAX-SFO
req.params: { "from": "LAX", "to": "SFO" }