express response send url code example

Example 1: express param in url

app.get('/p/:tagId', function(req, res) {
  res.send("tagId is set to " + req.params.tagId);
});

// GET /p/5
// tagId is set to 5

Example 2: expressjs receive url parameter

URL Parameters
These are information that are passed through the URL like so:

http://example.com/api/users?id=4&token=sdfa3&geo=us