<!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>
<style>
#box{
display: flex;
width: 100%;
border: none;
}
div{
width: 100px;
height: 100px;
border: 1px solid black;
}
</style>
<script>
function changcolor(id) {
//console.log(id); //확인
//console.log(id.style.backgroundColor); //확인
//아래 두개는 같은게 아님 박스칼라는 그냥 문자열임
var boxcolor = id.style.backgroundColor;
if(boxcolor == 'red'){
id.style.backgroundColor = 'blue'
}else{
id.style.backgroundColor = 'red';
}
}
</script>
</head>
<body>
<div id="box">
<div onclick="changcolor(this)"></div>
<div onclick="changcolor(this)"></div>
<div onclick="changcolor(this)"></div>
<div onclick="changcolor(this)"></div>
<div onclick="changcolor(this)"></div>
<div onclick="changcolor(this)"></div>
<div onclick="changcolor(this)"></div>
<div onclick="changcolor(this)"></div>
<div onclick="changcolor(this)"></div>
<div onclick="changcolor(this)"></div>
</div>
</body>
</html>
그냥 공부 한거 적는 벨로그 하하하핳ㅎ하하하핳하ㅏ