Questions tagged [express]
Express.js is a minimal and flexible Node.js web application framework providing a robust set of features for building web applications.
express
95,858
questions
2112
votes
18
answers
2.1m
views
Writing to files in Node.js
I've been trying to find a way to write to a file when using Node.js, but with no success. How can I do that?
- 23k
1598
votes
27
answers
1.9m
views
How to get GET (query string) variables in Express.js on Node.js?
Can we get the variables in the query string in Node.js just like we get them in $_GET in PHP?
I know that in Node.js we can get the URL in the request. Is there a method to get the query string ...
- 30.1k
1222
votes
49
answers
2.1m
views
Error: Can't set headers after they are sent to the client
I'm fairly new to Node.js and I am having some issues.
I am using Node.js 4.10 and Express 2.4.3.
When I try to access http://127.0.0.1:8888/auth/facebook, i'll be redirected to http://127.0.0.1:...
- 14.1k
920
votes
24
answers
957k
views
How to access POST form fields in Express
Here is my simple form:
<form id="loginformA" action="userlogin" method="post">
<div>
<label for="email">Email: </label>
<input type="text" id="email" ...
- 49.9k
916
votes
12
answers
668k
views
Error "npm WARN package.json: No repository field"
I installed Express.js with the following command:
sudo npm install -g express
I get the following warnings:
npm WARN package.json [email protected] No repository field.
npm WARN package.json fresh@...
- 17.3k
819
votes
34
answers
779k
views
Error: request entity too large
I'm receiving the following error with express:
Error: request entity too large
at module.exports (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/...
- 9,310
768
votes
37
answers
905k
views
Why doesn't adding CORS headers to an OPTIONS route allow browsers to access my API?
I am trying to support CORS in my Node.js application that uses the Express.js web framework. I have read a Google group discussion about how to handle this, and read a few articles about how CORS ...
- 8,340
698
votes
10
answers
765k
views
How to access the GET parameters after "?" in Express?
I know how to get the params for queries like this:
app.get('/sample/:id', routes.sample);
In this case, I can use req.params.id to get the parameter (e.g. 2 in /sample/2).
However, for url like /...
- 46.5k
693
votes
21
answers
810k
views
How to get the full URL in Express?
Let's say my sample URL is
http://example.com/one/two
and I say I have the following route
app.get('/one/two', function (req, res) {
var url = req.url;
}
The value of url will be /one/two.
How ...
- 41.6k
688
votes
13
answers
480k
views
bodyParser is deprecated express 4
I am using express 4.0 and I'm aware that body parser has been taken out of the express core, I am using the recommended replacement, however I am getting
body-parser deprecated bodyParser: use ...
- 11.8k
654
votes
6
answers
189k
views
Express.js - app.listen vs server.listen
This may be a very basic question but I simply don't get it. What is the difference between creating an app using Express.js and starting the app listening on port 1234, for example:
var express = ...
- 11.2k
634
votes
10
answers
678k
views
Enabling HTTPS on express.js
I'm trying to get HTTPS working on express.js for node, and I can't figure it out.
This is my app.js code.
var express = require('express');
var fs = require('fs');
var privateKey = fs.readFileSync('...
- 46.6k
608
votes
11
answers
1.1m
views
Proper way to return JSON using node or Express
So, one can attempt to fetch the following JSON object:
$ curl -i -X GET http://echo.jsontest.com/key/value/anotherKey/anotherValue
HTTP/1.1 200 OK
Access-Control-Allow-Origin: *
Content-Type: ...
- 13.6k
581
votes
21
answers
215k
views
How to structure an ExpressJS application? [closed]
I'm using the ExpressJS web framework for NodeJS.
People using ExpressJS put their environments (development, production, test...), their routes etc on the app.js. I think that is not a beautiful way ...
- 40.6k
564
votes
53
answers
737k
views
Express.js req.body undefined
I have this as configuration of my Express server
app.use(app.router);
app.use(express.cookieParser());
app.use(express.session({ secret: "keyboard cat" }));
app.set('view engine', 'ejs');
app.set("...
- 21.1k