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Routing

Routes​

app.js
app.get('/', (req,res) => {
    res.send('Home!')
})

app.get('/users', (req,res) => {
    res.send('Users!')
})

app.get('/articles', (req,res) => {
    res.send('Articles!')
})

Route Parameters​

  • Access Route Parameters as req.params.parameter_name
  • Example: localhost:3000/articles/16, where 16 is parameter
app.js
app.get('/articles/:id', (req, res) => {
    res.send(`Article ${req.params.id}`)
})
  • Multiple parameters are possible
app.js
app.get('articles/:year/:month', (req, res) => {
    res.send(`${req.params.year} ${req.params.month}`)
})

Route Parameter Queries​

  • Access Route Parameter Queries as req.query.query_name
  • Example: localhost:3000/articles?orderBy=name&userId=1618
app.js
app.get('/articles', (req, res) => {
    res.send(`Ordered by: ${req.query.orderBy} ${req.query.userId}`)
})