Created
January 21, 2014 05:19
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var http = require('http'); | |
var querystring = require('querystring') | |
var url = require('url'); | |
//pointless async function | |
function doAsyncMath(param1,param2,callback){ | |
var sum = param1 + param2 | |
//first param in callbacks is usually the error | |
callback(null,sum) | |
} | |
// Configure our HTTP server to respond with Hello World to all requests. | |
var server = http.createServer(function (request, response) { | |
//same basic thing, but here just using an anonymnous func as the callback | |
doAsyncMath(1,2,function(err,sum){ | |
//err and sum here come from the callback on line 15 | |
if(err) return response.end(err) | |
response.writeHead(200, {"Content-Type": "text/plain"}); | |
response.end(sum.toString()); | |
}) | |
}); | |
// Listen on port 8000, IP defaults to 127.0.0.1 | |
server.listen(8000); | |
// Put a friendly message on the terminal | |
console.log("Server running at http://127.0.0.1:8000/"); |
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