const clockContainer = document.querySelector('.js-clock'),
clockTitle = clockContainer.querySelector('h1');
console.log('clockContainer:', clockContainer);
console.log('clockTitle:', clockTitle);
function getTime() {
const date = new Date();
const hours = date.getHours();
const minutes = date.getMinutes();
const seconds = date.getSeconds();
clockTitle.innerText = `${hours < 10 ? `0${hours}` :hours}:${minutes < 10 ? `0${minutes}` : minutes}:${seconds < 10 ? `0${seconds}` : seconds}`;
}
function init() {
getTime();
setInterval(getTime, 1000);
}
init();
JS는 이렇게
<body>
<div class="container">
<div class="center_box">
<div class="js-clock">
<h1>00:00:00</h1>
</div>
</div>
</div>
<script src="clock.js"></script>
</body>
html은 이렇게 작성하면

이렇게 출력할 수 있습니다 !
LIST
'JavaScript' 카테고리의 다른 글
자바스크립트(JavaScript 기초) (0) | 2021.06.19 |
---|---|
Java Script 입문 (0) | 2021.06.17 |