node express handle differently based on query code example

Example 1: express url redirect

const app = require('express')();

// The `res.redirect()` function sends back an HTTP 302 by default.
// When an HTTP client receives a response with status 302, it will send
// an HTTP request to the URL in the response, in this case `/to`
app.get('/from', (req, res) => {
  res.redirect('/to');
});
app.get('/to', (req, res) => res.send('Hello, World!'));

Example 2: get value from path variable node js

exports.doIt = function(req, res, next) {
    var group = new Group(req.body);

    console.log(req.params);

    group.userId = req.params.userId;

    group.save(new dataCallbacks(req, res, next, "Group").insert());
});

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Html Example

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