#TIL14 (2)

function random() {
return Math.floor(Math.random() * 10)
}
const a = random()

조건문 (If statement)

if (a === 0) {
console.log('a is 0')
} else if (a === 2) {
console.log('a is 2')
} else if (a === 4) {
console.log('a is 4')
} else {
console.log('rest...')
}

조건문 (Switch)

switch (a) {
case 0 :
console.log('a is 0')
break
case 2 :
console.log('a is 2')
break
case 4 :
console.log('a is 4')
break
default :
console.log('rest...')

 const browser = 'IE';
switch (browser) {
  case 'IE':
    console.log('go away!');
    break;
  case 'Chrome':
  case 'Firefox':
    console.log('love you!');
    break;
  default:
    console.log('same all!');
    break;
}

반복문 (For statement)

• for (시작조건; 종료조건; 변화조건) {}

const UlEl = document.querySelector('ul')

for( let i = 0; i < 10; i += 1) {
const li = document.createElement('li')
li.textContent = list-${i + 1}
if ((i + 1) % 2 === 0) {
li.addEventListener('click', function () {
console.log(li.textContent)
})
}
UlEl.appendChild(li)

}