개발하자/자바스크립트

Math.ceil(Math.random() * 5);

i구야 2015. 2. 24. 14:39
<html>
<head>
<meta charset="EUC-KR">
<title>Insert title here</title>
</head>
<body>
 <script>
  window.onload = function() {
   a.onclick = function() {
    b.value = Math.ceil(Math.random() * 5);
    if (b.value == c.value) {
     e.value = "당첨";
    } else {
     e.value = "꽝";
    }
   }
  }
 </script>
 <input type="text" id="b">
 <input type="text" id="c">
 <input type="button" value="1~5까지 난수발생" id="a">
 <input type="text" id="e">
</body>
</html>