<!DOCTYPE html>
<html>
<head>
<script src="//code.jquery.com/jquery-1.9.1.min.js"></script>
<meta charset="utf-8">
<title>JS Bin</title>
<script>
function event1() {
alert("a");
$("#a").prop("disabled", true);
}
</script>
</head>
<body>
<button type="button" onclick="event1()" id="a">클릭행</button>
</body>
</html>
버튼 클릭한담에 바로 disable을 주면 됨
끝.