EX_01. 함수
1-1. 합을 구하는 함수
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
let num1 = Number(prompt('1입력'));
let num2 = Number(prompt('2입력'));
function addNum(num1,num2){
return num1+num2;
}
alert(addNum(num1,num2));
</script>
</body>
</html>
1-2. 기호를 입력받아 계단 출력
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
let emoji ="";
let row = 0;
emoji = prompt('기호 입력');
row = parseInt(prompt('몇줄'));
function pyramid(emoji,row){
for(let i=0;i<row;i++){
for(let j =0;j<=i;j++){
document.write(emoji);
}
document.write('<br>');
}
}
pyramid(emoji,row);
</script>
</body>
</html>
