Node.js/Express routing with get params

Question

Let's say I have get route like this:

app.get('/documents/format/type', function (req, res) {
   var format = req.params.format,
       type = req.params.type;
});

So if I make request like

http://localhost:3000/documents/json/mini

in my format and type variables will be 'json' and 'mini' respectively, but if I make request like

http://localhost:3000/documents/mini/json

not. So my question is: how can I get the same variables in different order?

You don't documents/mini/json is format == mini and type == json. URL's are not unordered bags of parameters — Raynos
– Raynos, Commented Dec 14, 2011 at 15:38

verybadalloc · Accepted Answer · 2013-06-09 12:18:50Z

173

Your route isn't ok, it should be like this (with ':')

app.get('/documents/:format/:type', function (req, res) {
   var format = req.params.format,
       type = req.params.type;
});

Also you cannot interchange parameter order unfortunately. For more information on req.params (and req.query) check out the api reference here.

edited Jun 9, 2013 at 12:18

verybadalloc

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answered Dec 14, 2011 at 15:46

alessioalex

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1 Comment

user3806549 Over a year ago

//var sanitizer = require('sanitizer'); var format = sanitizer.escape(req.params. format); You really should sanitize the result. Or else your website has a HUGE vulnerability

Stephen Ostermiller · Accepted Answer · 2022-07-01 10:44:44Z

58

For Query parameters like example.com/test?format=json&type=mini format, then you can easily receive it via req.query.<param>

app.get('/test', function(req, res){
  var format = req.query.format,
      type = req.query.type;
});

edited Jul 1, 2022 at 10:44

Stephen Ostermiller♦

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answered Jan 30, 2016 at 12:18

SCBuergel

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3 Comments

Erik Over a year ago

Thanks. Your answer is also useful for me!

pseudosavant Over a year ago

This made it so much easier to deal with a parameter that is a URL itself.

Val Kornea Over a year ago

+1 This answers the question in the title, which I came here to find (the actual question has nothing to do with get params).

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