javascripが実現するシンプルユーザー登録
710 ワード
<html>
<head>
<title>document.write</title>
<script>
for(var i = 0; i < 3 ; i++){
var username = prompt(" ","");
var password = prompt(" ","");
// equal, ==
if("zhangsan" == username && "123" == password){
alert(" !!");
break;
}else{
if( (2 - i) == 0){
alert(" , !!");
}else{
alert(" !! "+(2 - i) + " !");
}
}
}
</script>
</head>
<body>
</body>
</html>