input attribute
<!DOCTYPE html>
<html>
<head>
<title>input attribute is placeholder</title>
<meta charset="utf-8" />
</head>
<body>
<h1>placeholder</h1>
input attribute(placeholder) <input type="text" placeholder="아이디를 입력하세요.(Email)" />
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title>input attribute is autofocus</title>
<meta charset="utf-8" />
</head>
<body>
<h1>autofocus</h1>
input attribute(autofocus) <input type="text" autofocus />
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title>input attribute is formaction</title>
<meta charset="utf-8" />
</head>
<body>
<h1>formaction</h1>
<form action="a.aspx" method="post">
<input type="submit" formaction="b.aspx" value="Submit" />
</form>
</body>
</html>
*form action의 a.aspx로 이동하는것이 아니라 formaction=b.aspx로 이동한다.
draggable