for (let i = 0 ; i < 10 ; i++){
console.log(i);
}
const certificate = [{title: 'JLPT'}, {title: '정보처리기사'}, {title: 'HSK'}, {title: 'TOEIC'}, {title: 'JPT'}];
console.log(certificate.length);
for (let i = 0; i < certificate.length; i++){
console.log(certificate[i]);
}
let i = 10;
while (i>0){
console.log(i);
i--;
}
const jiah = {}
age: '23',
nationality : 'South Korea',
hometown: 'Seoul'
}
console.log(Object.entries(jiah))
console.log(Object.keys(jiah))
console.log(Object.values(jiah))
const jiah = {
age: '23',
nationality : 'South Korea',
hometown: 'Seoul'
};
for (let key in jiah){
console.log(`${key}: ${jiah[key]}`);
}
for (let i = 0; i < 10; i++) {
if (i === 2) continue; // 다음 루프를 실행
console.log(i);
if (i === 5) break; // 반복문을 끝내기
}
const numbers = [1, 2, 3, 4, 5, 6, 7];
function biggerThanThree(numbers) {
const result = [];
for (let i =0 ; numbers.length ; i++){
if(numbers[i]>3){
result.push(numbers[i]);
}
return result;
}
console.log(biggerThanThree(numbers)); // [4, 5, 6, 7]