๋ฐ์ํ ์ํ์ฝ๋ฉ85 [Node.js-์ํ์ฝ๋ฉ] JavaScript - ํจ์์ ์ ๋ ฅ [์ถ์ฒ-Youtube ์ํ์ฝ๋ฉ] https://www.youtube.com/watch?v=c3Pail1Iitc&list=PLuHgQVnccGMA9QQX5wqj6ThK7t2tsGxjm&index=32 syntax/function2.js console.log(Math.round(1.6)); // 2 console.log(Math.round(1.4)); // 1 function sum(first, second){ // ์ ์ console.log(first+second); } sum(2,4); // ํธ์ถ ์ ์, ์ ์ธ, ํธ์ถ ๊ฐ๋ ํ์คํ ์์๋ ๊ฒ ํธ์ถ์ ๋จผ์ ํ๊ณ ์ ์๋ ์ ์ธ์ ํ๋๊ฒ ๋ ผ๋ฆฌ์ ์ผ๋ก ๋ง๋ค. (์ ์ฝ๋๋ ์ ์ ๋จผ์ ํ๊ณ ํธ์ถํจ) 2021. 1. 28. [Node.js-์ํ์ฝ๋ฉ] JavaScript - ํจ์์ ๊ธฐ๋ณธ ๋ฌธ๋ฒ [์ถ์ฒ-Youtube ์ํ์ฝ๋ฉ] https://www.youtube.com/watch?v=XDS4cp6Gg5w&list=PLuHgQVnccGMA9QQX5wqj6ThK7t2tsGxjm&index=31 syntax/function.js f123(); console.log('A'); console.log('Z'); console.log('B'); f123(); console.log('F'); console.log('C'); console.log('P'); console.log('J'); f123(); console.log('U'); console.log('A'); console.log('Z'); console.log('J'); console.log('I'); f123(); function f123(){ con.. 2021. 1. 28. [Node.js-์ํ์ฝ๋ฉ] App ์ ์ - ๊ธ๋ชฉ๋ก ์ถ๋ ฅํ๊ธฐ [์ถ์ฒ-Youtube ์ํ์ฝ๋ฉ] https://www.youtube.com/watch?v=ibz2gaW-tyQ&list=PLuHgQVnccGMA9QQX5wqj6ThK7t2tsGxjm&index=30 main.js var http = require('http'); var fs = require('fs'); var url = require('url'); var app = http.createServer(function(request,response){ var _url = request.url; var queryData = url.parse(_url, true).query; var pathname = url.parse(_url, true).pathname; if(pathname === '/'){ if(quer.. 2021. 1. 27. [Node.js-์ํ์ฝ๋ฉ] Node.js์์ ํ์ผ๋ชฉ๋ก ์์๋ด๊ธฐ [์ถ์ฒ-Youtube ์ํ์ฝ๋ฉ] https://www.youtube.com/watch?v=tzJ2K3Yp89I&list=PLuHgQVnccGMA9QQX5wqj6ThK7t2tsGxjm&index=29 nodejs/readdir.js var testFolder = './data'; var fs = require('fs'); fs.readdir(testFolder, function(error, filelist){ console.log(filelist); }) 2021. 1. 27. [Node.js-์ํ์ฝ๋ฉ] JavaScript - ๋ฐฐ์ด๊ณผ ๋ฐ๋ณต๋ฌธ [์ถ์ฒ-Youtube ์ํ์ฝ๋ฉ] https://www.youtube.com/watch?v=c7-MVAZVSlQ&list=PLuHgQVnccGMA9QQX5wqj6ThK7t2tsGxjm&index=28 var number = [1,400,12,34]; var i = 0; var total = 0; while(i < number.length){ total = total + number[i]; i = i + 1; } console.log(`total : ${total}`); 2021. 1. 27. [Node.js-์ํ์ฝ๋ฉ] JavaScript - ๋ฐฐ์ด [์ถ์ฒ-Youtube ์ํ์ฝ๋ฉ] https://www.youtube.com/watch?v=FvOKF4pyXnM&list=PLuHgQVnccGMA9QQX5wqj6ThK7t2tsGxjm&index=27 var arr = ['A','B','C','D']; console.log(arr[1]); console.log(arr[3]); arr[2] = 3; console.log(arr); console.log(arr.length); arr.push('E'); // ๋ฐฐ์ด์ ๋ฐ์ดํฐ 'E' ์ถ๊ฐ console.log(arr); 2021. 1. 27. ์ด์ 1 ยทยทยท 8 9 10 11 12 13 14 15 ๋ค์ ๋ฐ์ํ