๐นvar: ๋ณ์๋ฅผ ์ฌ๋ฌ๋ฒ ์ ์ธํ ์ ์๋ค.
๐นlet: ๋ณ์๋ฅผ ์ฌ๋ฌ ๋ฒ ์ ์ธํ ์ ์๋ค. ๊ฐ์ ๋ณ๊ฒฝ์ํฌ ์ ์๋ค.
๐นconst๋ ์์์ด๋ค.
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script src="test.js"></script>
<script>
let name = "sooman";
document.write("์ด๋ฆ=" + name);
var num = 100;
var num = 200;
var num = 300;
document.write(num);
let grade = 'A';
document.write("<br /> grade=" + grade);
const firstName = "hong";
document.write("<br /> firstName:" + firstName);
lastName = "๊น๊ธธ๋";
document.write("<br />lastName" + lastName);
</script>
</head>
<body>
</body>
</html>