<!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>
<script>
//실습) 난수 생성
function ran(){
let str = '';
let cnt = document.getElementById('cnt').value;
alert(cnt);
i = 0;
while(i<cnt){
i++;
r = Math.random();
console.log(r);
str += r +'<br>'
}
console.log(str);
document.getElementById('nan').innerHTML = str;
}
</script>
</head>
<body>
난수의 개수는?
<input type="text" id="cnt">
<button onclick="ran()">생성</button>
<div id="nan">
</div>
</body>
</html>
그냥 공부 한거 적는 벨로그 하하하핳ㅎ하하하핳하ㅏ