I am curious about
var server = http.createServer(function(req, res) {
// something
}
server.listen(3000);
Is the server created and listening on port 3000 immediately after running this code block, or is it only created at first and then started listening after?
The second option is the way to go. A router has been initialized, a method has been specified, and the router has been exported. This method will run whenever the browser sends a get request to the '/' URL, as long as you properly import the exported router.
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