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15 janv. 2011 · In response to req, you use res to send back the desired HTTP response. Those parameters can be named anything. You could change that code to this if it's more clear:
26 oct. 2010 · 2. Not an answer, but. It seems to be pretty commonplace to use the word "res" for one of the indexes in function arguments. Its existence appears to be agnostic to whatever programming language you look at. Nope. My guess is this is only common for Javascript doing http request/response (or a few very similar things).
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22 juin 2017 · 17. res.send is equivalent to res.write + res.end So the key difference is res.send can be called only once where as res.write can be called multiple times followed by a res.end. But apart from that res.send is part of Express. It can automatically detect the length of response header.
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23 août 2014 · The express.static middleware is separate from res.sendFile, so initializing it with an absolute path to your public directory won't do anything to res.sendFile. You need to use an absolute path directly with res.sendFile. There are two simple ways to do it: res.sendFile(path.join(__dirname, '../public', 'index1.html'));
14 mars 2013 · Docs for app.render: Render a view with a callback responding with the rendered string. This is the app-level variant of res.render(), and otherwise behaves the same way. Docs for res.render:
31 oct. 2013 · The one that I have seen commonly being used is by using a command of the form: response.write(JSON.stringify(anObject)); However, this has two points where one could argue as if they were "problems": We are sending a string. Moreover, there is no new line character in the end. Another idea is to use the command:
27 sept. 2013 · This will return a JSON number. res.json(100) This will return a status code and issue a warning to use sendStatus. res.send(100) If your argument is not a JSON object or array (null, undefined, boolean, string), and you want to ensure it is sent as JSON, use res.json. edited Apr 3, 2022 at 14:49.
