router get express with and without params code example

Example 1: express get params after ?

GET /something?color1=red&color2=blue

app.get('/something', (req, res) => {
    req.query.color1 === 'red'  // true
    req.query.color2 === 'blue' // true
})

Example 2: node express dynamic route and error handler

app.use(function (req, res, next) {
  res.status(404).send("Sorry can't find that!")
})