SkyLightQP/timer.html

## timer.html
<!DOCTYPE html>
<html lang="ko">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>nojam</title>
    <style>
      @font-face {
        font-family: "BMEuljiro10yearslater";
        src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_20-10-21@1.0/BMEuljiro10yearslater.woff")
          format("woff");
        font-weight: normal;
        font-style: normal;
      }

      * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
      }

      body {
        background-color: hsl(0, 0%, 95%);
        color: #111;
      }

      h1 {
        font-size: 8rem;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);

        font-family: "BMEuljiro10yearslater", "sans-serif";
      }
    </style>
  </head>
  <body>
    <h1>00:00:00</h1>
    <script>
      const text = document.querySelector("h1");
      const endTime = new Date();
      endTime.setHours(endTime.getDay() === 1 ? 15 : 16);
      endTime.setMinutes(50);

      function getLeftTime() {
        const leftTime = Math.floor(Math.abs(new Date() - endTime) / 1000);
        const hour = Math.floor(leftTime / 3600);
        const min = Math.floor(leftTime / 60) % 60;
        const sec = leftTime % 60;
        const time = [hour, min, sec]
          .map((s) => s.toString().padStart(2, "0"))
          .join(":");

        text.innerHTML = time;

        requestAnimationFrame(getLeftTime);
      }

      requestAnimationFrame(getLeftTime);
    </script>
  </body>
</html>
	<!DOCTYPE html>
	<html lang="ko">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>nojam</title>
	<style>
	@font-face {
	font-family: "BMEuljiro10yearslater";
	src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_20-10-21@1.0/BMEuljiro10yearslater.woff")
	format("woff");
	font-weight: normal;
	font-style: normal;
	}

	* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
	}

	body {
	background-color: hsl(0, 0%, 95%);
	color: #111;
	}

	h1 {
	font-size: 8rem;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);

	font-family: "BMEuljiro10yearslater", "sans-serif";
	}
	</style>
	</head>
	<body>
	<h1>00:00:00</h1>
	<script>
	const text = document.querySelector("h1");
	const endTime = new Date();
	endTime.setHours(endTime.getDay() === 1 ? 15 : 16);
	endTime.setMinutes(50);

	function getLeftTime() {
	const leftTime = Math.floor(Math.abs(new Date() - endTime) / 1000);
	const hour = Math.floor(leftTime / 3600);
	const min = Math.floor(leftTime / 60) % 60;
	const sec = leftTime % 60;
	const time = [hour, min, sec]
	.map((s) => s.toString().padStart(2, "0"))
	.join(":");

	text.innerHTML = time;

	requestAnimationFrame(getLeftTime);
	}

	requestAnimationFrame(getLeftTime);
	</script>
	</body>
	</html>