<!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>
function popup() {
//alert('팝업');
//내장객체
//변수에 저장을 해줘야 따로 팝업이 뜸
var pop = window.open('20210520_09_popupwindow.html','레몬쓰',
"width =300px, height=500px, left=300, top=50");
}
</script>
</head>
<body>
<button onclick="popup()">팝업창 두둥</button>
</body>
</html>
그냥 공부 한거 적는 벨로그 하하하핳ㅎ하하하핳하ㅏ