WebProgramming/day3_javaScript_tuto5_old.html at master · suyonghan/WebProgramming · GitHub

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style>
#header {
	margin: auto;
}

#main {
	border: 3px solid blue;
	text-align: center;
}

#result {
	margin: auto;
}
</style>
</head>
<body>
	<div id='main'>
		<header id="header">
			<h2>구구단</h2>
		</header>
		<br>
		<button id='1'>1단</button>
		<button id='2'>2단</button>
		<button id='3'>3단</button>
		<button id='4'>4단</button>
		<button id='5'>5단</button>
		<button id='6'>6단</button>
		<button id='7'>7단</button>
		<button id='8'>8단</button>
		<button id='9'>9단</button>
		<br>

		<h5 id='result'></h5>
	</div>
	<script>
		function gugu1() {
			var result = "";
			for (var i = 1; i <= 9; ++i) {
				result += 1 + " * " + i + " = " + (1 * i) + "<br>";
			}
			document.getElementById("result").innerHTML = result;
		};
		function gugu2() {
			var result = "";
			for (var i = 1; i <= 9; ++i) {
				result += 2 + " * " + i + " = " + (2 * i) + "<br>";
			}
			document.getElementById("result").innerHTML = result;
		};
		function gugu3() {
			var result = "";
			for (var i = 1; i <= 9; ++i) {
				result += 3 + " * " + i + " = " + (3 * i) + "<br>";
			}
			document.getElementById("result").innerHTML = result;
		};
		function gugu4() {
			var result = "";
			for (var i = 1; i <= 9; ++i) {
				result += 4 + " * " + i + " = " + (4 * i) + "<br>";
			}
			document.getElementById("result").innerHTML = result;
		};
		function gugu5() {
			var result = "";
			for (var i = 1; i <= 9; ++i) {
				result += 5 + " * " + i + " = " + (5 * i) + "<br>";
			}
			document.getElementById("result").innerHTML = result;
		};
		function gugu6() {
			var result = "";
			for (var i = 1; i <= 9; ++i) {
				result += 6 + " * " + i + " = " + (6 * i) + "<br>";
			}
			document.getElementById("result").innerHTML = result;
		};
		function gugu7() {
			var result = "";
			for (var i = 7; i <= 9; ++i) {
				result += 7 + " * " + i + " = " + (7 * i) + "<br>";
			}
			document.getElementById("result").innerHTML = result;
		};
		function gugu8() {
			var result = "";
			for (var i = 1; i <= 9; ++i) {
				result += 8 + " * " + i + " = " + (8 * i) + "<br>";
			}
			document.getElementById("result").innerHTML = result;
		};
		function gugu8() {
			var result = "";
			for (var i = 1; i <= 9; ++i) {
				result += 9 + " * " + i + " = " + (9 * i) + "<br>";
			}
			document.getElementById("result").innerHTML = result;
		};
		var btn1 = document.getElementById('1');
		var btn2 = document.getElementById('2');
		var btn3 = document.getElementById('3');
		var btn4 = document.getElementById('4');
		var btn5 = document.getElementById('5');
		var btn6 = document.getElementById('6');
		var btn7 = document.getElementById('7');
		var btn8 = document.getElementById('8');
		var btn9 = document.getElementById('9');
		btn1.addEventListener('click', gugu1);
		btn2.addEventListener('click', gugu2);
		btn3.addEventListener('click', gugu3);
		btn4.addEventListener('click', gugu4);
		btn5.addEventListener('click', gugu5);
		btn6.addEventListener('click', gugu6);
		btn7.addEventListener('click', gugu7);
		btn8.addEventListener('click', gugu8);
		btn9.addEventListener('click', gugu9);
	</script>
</body>
</html>