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chapter06 : for 본문

WEB.JS/02.제어문_JS

chapter06 : for

GAWON 2023. 5. 19. 09:22
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
// 1. 입력 받은 구구단을 출력하시오.
var dan = Number(prompt("구구단 수를 입력하세요"));
for(var n=1; n<=9; n++){
document.write(dan + "X" + n + "=" + (dan*n) + "<br>");
}

```
// 2. 전체 구구단 출력
for(n = 1; n <= 9; n++){
	for(dan = 2; dan <= 9; dan++){
		document.write(dan + " X " + n + "=" + (dan * n) + "&nbsp;&nbsp;&nbsp;");
	}
	document.write("<br/>");
}

// 3. 테이블(<table></table)을 이용하여 전체 구구단 출력
var gugudan = "<table border='1'>";
for(n = 1; n <= 9; n++){
	gugudan += "<tr>";
	for(dan = 2; dan <= 9; dan++){
		gugudan +="<td>" + dan + "X" + n + "=" + (dan*n) + "</td>";
	}
	gugudan += "</tr>";
}
gugudan += "</table>";
document.write("<h3>" + gugudan +"</h3>");

```

</script>
</head>
<body>

</body>
</html>

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