express js params
app.get('/path/:name', function(req, res) { // url: /path/test
console.log(req.params.name); // result: test
});
// OR
app.get('/path', function(req, res) { // url: /path?name='test'
console.log(req.query['name']); // result: test
});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
})
req.params refers to items with a ':' in the URL and req.query refers to items associated with the '?express route parameters
Route path: /users/:userId/books/:bookId
Request URL: http://localhost:3000/users/34/books/8989
req.params: { "userId": "34", "bookId": "8989" }express get all routes and methods
function print (path, layer) {
if (layer.route) {
layer.route.stack.forEach(print.bind(null, path.concat(split(layer.route.path))))
} else if (layer.name === 'router' && layer.handle.stack) {
layer.handle.stack.forEach(print.bind(null, path.concat(split(layer.regexp))))
} else if (layer.method) {
console.log('%s /%s',
layer.method.toUpperCase(),
path.concat(split(layer.regexp)).filter(Boolean).join('/'))
}
}
function split (thing) {
if (typeof thing === 'string') {
return thing.split('/')
} else if (thing.fast_slash) {
return ''
} else {
var match = thing.toString()
.replace('\\/?', '')
.replace('(?=\\/|$)', '$')
.match(/^\/\^((?:\\[.*+?^${}()|[\]\\\/]|[^.*+?^${}()|[\]\\\/])*)\$\//)
return match
? match[1].replace(/\\(.)/g, '$1').split('/')
: '<complex:' + thing.toString() + '>'
}
}
app._router.stack.forEach(print.bind(null, []))Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
