먹고 기도하고 코딩하라

https://all-record.tistory.com/165

MDN https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment Destructuring assignment - JavaScript | MDN The destructuring assignment syntax is a JavaScript expression that makes it possible to unpack values from arrays, or properties from objects, into distinct variables. developer.mozilla.org Practice https://codesandbox.io/s/es6-destructuring-forked..

var numbers = [3, 56, 2, 48, 5]; //Map -Create a new array by doing something with each item in an array. console.log(numbers.map((number) => number * 2)); /* 배열 요소 하나하나씩 돌면서 2로 곱한 새로운 배열을 반환 [6, 112, 4, 96, 10] */ //Filter - Create a new array by keeping the items that return true. console.log(numbers.filter((number) => number > 10)); /* 배열 요소 하나하나씩 검사해서 10이상인 요소만 넣은 새로운 배열을 반환 [56, 48] */ //Re..

var test = (a,b) => { return a+b; } test(1,2) // 3 test = a => { return a*2; }; test(2) // 4 test = () => { return 5; } test() // 5 // 화살표 함수의 유일한 문장이 'return'일 때 'return'과 // 중괄호({})를 생략할 수 있다. test = () => 5; test() // 5

git switch [branch] git log --oneline git reset --soft HEAD~ : HEAD returns to latest commit git reset --mixed HEAD~ : HEAD returns to latest commit, unstage files git reset --hard HEAD~ : HEAD returns to latest commit, unstage files, discard changes git reset [file name] : unstage [file name]

An Application Programming Interface (API) is a set of commands, functions, protocols, and objects that programmers can use to create software or interact with an external system. e.g., api.kanye.rest, https://v2.jokeapi.dev/joke/Programming?contains=debugging, http://api.openweathermap.org/data/2.5/weather?q=London&appid=******random numbers and letters********&units=metric Endpoint Paths Param..

A prototype is just a property that every function you create in javascript has that points to an object.