์ฟผ๋ฆฌ์คํธ๋ง http://a.com/topic?id=1 protocol / domain / path / query string ์ฟผ๋ฆฌ์คํธ๋ง์ ๋ฐ๋ผ ๊ฐ์ path์์๋ ๋ค๋ฅธ ํ์ด์ง๋ฅผ ๋ณด์ฌ์ค ์ ์๋ค app.get('/topic', function(req, res){ let topics = [ 'Javascript is...', 'Nodejs is...', 'Express is...' ]; let str = ` JavaScript Nodejs Express ` let output = str + topics[req.query.id]; res.send(output); }); aํ๊ทธ๋ฅผ ์ด์ฉํด์ ์ฟผ๋ฆฌ์คํธ๋ง์ ๋ฐ๊ฟ์ค๋ค ๋๋ณด๊ธฐ app.get('/topic',function(req, res){ let topics = [ '..
