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<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
let i = 20;
while(i >= 10) {
if (i % 2 === 0) { //짝수
document.write(`<div style="color: blue">${i}</div>`);
}
else { //홀수
document.write(`<div style="color : red">${i}</div>`);
}
i--;
}
</script>
</body>
</html>
