Node.js functions

Node.js function

Anonymous function: scope.js

[code]function execute(someFn, value) {
    someFn(value);
}
execute(function (word) {
    console.log(word)
}, 'hello');

How function passing makes the HTTP service work

Case: server.js

[code]var http = require('http');
var onRequest = function (request, response) {
    response.writeHead(200, { "Content-Type" : "text/plain"});
    response.write("Hello world");
    response.end();
}
http.createServer(onRequest).listen(8888);
console.log('服务器监听端口 8888');

Client: http://localhost:8888/%E5%87%BD%E6%95%B0/server. js

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