객체 반복문

const numObj = {
	one: document.getElementById('one'),
    two: document.getElementById('two'),
}

const timeObj = {
	min: document.getElementById('min'),
    sec: document.getElementById('sec'),
}

const numKeys = Object.keys(numObj);
const timeKeys = Object.keys(timeObj)

fot(let i = 0; i < numKeys.length; i++){
	console.log(timeObj[timeKeys[i]])
}