chapter13 : 함수문제

WEB.JS/04.함수_JS
chapter13 : 함수문제

GAWON 2023. 5. 19. 17:36
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>

</head>
<body>
<h1 id="clock"></h1>
<script type="text/javascript">
/*
현재 날짜와 시간을 다음과 같은 형식으로 출력하시오.

```
	ex) 2023-05-10 17:04:08 (초는 계속 바뀜)
 */
var clock = document.getElementById("clock")
function watch() {
	 var date = new Date();
	 var year = date.getFullYear();
	 var month = date.getMonth() + 1;
	 var d = date.getDate();
	 var hour = date.getHours();
	 var minute = date.getMinutes();
	 var seconds = date.getSeconds();

	 if(seconds < 10){
		 seconds = "0" + seconds;
	 }
	 if(minute < 10){
		 minute = "0" + minute;
	 }
	 if(hour < 10){
		 hour = "0" + hour;
	 }
	 if(d < 10 ){
		 d = "0" + d;
	 }
	 if(month < 10){
		 month = "0" + month;
	 }

	clock.innerHTML = `${year}-${month}-${d}  ${hour}:${minute}:${seconds}`;

}
setInterval(watch,1000);
watch();

```

</script>
</body>
</html>