sorie

const devices = [
                  {"deviceId":"default","kind":"audioinput","label":"기본값 - 마이크(Realtek Audio)","groupId":"2fc5a70356cd629dff0f57c8c5b420757f34b7f60a40184617607bdf125025f8"},
                  {"deviceId":"communications","kind":"audioinput","label":"커뮤니케이션 - 마이크(Realtek Audio)","groupId":"2fc5a70356cd629dff0f57c8c5b420757f34b7f60a40184617607bdf125025f8"},{"deviceId":"80f28f21743218d1430300452892a9272426095e48d4ddd344bef16a57e2d7cb","kind":"audioinput","label":"마이크(Realtek Audio)","groupId":"2fc5a70356cd629dff0f57c8c5b420757f34b7f60a40184617607bdf125025f8"},{"deviceId":"7fb6410182a2ef6910e68e942dfa9bd4f29350f391599099ed1563ab6e7ac185","kind":"videoinput","label":"Integrated Webcam (0bda:5689)","groupId":"80117ee788b9447605cce20ce90cefec3f387bb62f2df256e2a1559dac667d41"},{"deviceId":"7fb6410182a2ef6910e68e942dfa9bd4f29350f391599099ed1563ab6e7ac185","kind":"videoinput","label":"test Webcam (0bda:5689)","groupId":"80117ee788b9447605cce20ce90cefec3f387bb62f2df256e2a1559dac667d41"},
              

sorie

const array = ['dog','cat','fox','dog','hols','cat'];
console.log(array);
console.log([...new Set(array)]);

sorie

//Looping
const items = [1,2,3,4,5,6];


function getAllEvents(items) {
  //good code
  return items.fillter(num => num % 2 === 0);
  //bad code
  //const result = [];
  //for (let i = 0; i < items.length; i++) {

sorie

//Template Literals (Template String)
const person = {
  name: 'Julia',
  score: 4,
};

//bad code
console.log(
  'Hello ' + person.name + ', Your current score is: ' + person.score
);

sorie

const bob = {
  name: 'Julia',
  age: 20,
};
const anna = {
  name: 'Julia',
  age: 20,
  job: {
    title: 'Software Engineer'
  }

sorie

//Spread Syntax - Object
const item = { type: 'shirts', size : 'M' };
const detail = { price: 20, made: 'Kores', gender: 'M' };

//bad code 
item['price'] = detail.price;

//bad code
const newObject = new Object;
newObject['type'] = itme.type;

sorie

//Object Destructuring
const person = {
  name = 'Julia',
  age = 20,
  phone: '0102222222'
};

//bad code
function displayPerson(person){
  displayAvatar(person.name);

sorie

//bad code
function getResult(score) {
  let result;
  if(score > 5) {
    result = 'up';
  } else if (score <= 5) {
    result = 'down';
  }
  return result;
}

sorie

//nullidh coalescing operator ?? is only case null, undefined check.'
//do not confusing to Logical OR operator || is only case false(0, undefined, null, "",'',``) or true check.

//bad code
function printMessage(test){
  let message = text;
  if(text == null || text == undefined) {
    message = 'Nothing to display';
  }
  console.log(message);

sorie

에러이유 : 관리자가 아닌 ms 계정으로 로그인한 윈도우10에서 Visual Studio Code 에서 Vue 개발환경을 설정하던 중 보안 오류가 발생함.

해결방법 :

d:\sori> Get-ExecutionPolicy -Scope CurrentUser
d:\sori> Set-ExecutionPolicy -ExecutionPolicy Unrestricted -Scope CurrentUser
d:\sori> Get-ExecutionPolicy -List

관련문서
https://docs.microsoft.com/ko-kr/powershell/module/microsoft.powershell.core/about/about_execution_policies?view=powershell-7