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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<div id="demo" style="background-color: ">Hello JS CSS</div>
<button type="button" onclick="func()">์ ์ฉ</button>
<script type="text/javascript">
function func() {
let obj = document.getElementById("demo"); //object์ ์ฒด๋ฅผ ๊ฐ๊ณ ์ด .HTML์ ๋ฌธ์ฅ๋ง๊ฐ์ ธ์ด
obj.style.color = "white";
obj.style.backgroundColor = "green";
obj.style.textAlign = "center";
obj.style.borderStyle = "double";
obj.style.borderColor = "red";
obj.style.fontFamily = "MS PGothic";
obj.style.fontStyle = "italic";
obj.style.fontSize = "24pt";
}
</script>
</body>
</html>
๋๊ธ