<![CDATA[
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>윈도우의 높이 이용하기</title>
<style>
div {
height: 48vh;
background: #ffe;
border: 1px solid #9cc;
}
.flex_h { background: #fbb; }
</style>
</head>
<body>
<div><b>innerHeight 미사용</b><br> 창을 위아래로 늘이거나 줄여보자</div>
<div class="flex_h" id="changeColor"><b>innerHeight 사용</b><br>
창을 위아래로 늘이거나 줄여보자</div>
<script>
function adjustHeight() {
const height = window.innerHeight;
const divBox = document.getElementById('changeColor');
if (height <= (window.screen.height * 0.5) && height >
(window.screen.height * 0.3))
divBox.style.background = '#bfb';
else if (height <= (window.screen.height * 0.3))
divBox.style.background = '#bbf';
else
divBox.style.background = '#fbb';
}
adjustHeight();
addEventListener('resize', adjustHeight);
</script>
</body>
</html>
]]>