
const arr = ["a", "b", "c"];
// 배열 순회
for (let i = 0; i <= arr.length; i++) {
// 반복 수행할 명령
console.log(arr[i]);
}
let person = {
name: "김태주",
age: 25,
tall: 165
};
// key값 순회
const personKeys = Object.keys(person);
console.log(personKeys);
for (let i = 0; i < personKeys.length; i++) {
console.log(personKeys[i]);
}
let person = {
name: "김태주",
age: 25,
tall: 165
};
// value값 순회
const personValues = Object.values(person);
for (let i = 0; i < personValues.length; i++) {
console.log(personValues[i]);
}
let person = {
name: "김태주",
age: 25,
tall: 165
};
// key값 : value값 순회
const personKeys = Object.keys(person);
for (let i = 0; i < personKeys.length; i++) {
const curKey = personKeys[i];
const curValue = person[curKey];
console.log(`${curKey} : ${curValue}`);
}