<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html lang="ja">
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<title>Sample</title>
<link rel="stylesheet" href="../../../lib/resources/css/ext-all.css" type="text/css" media="all">
<link rel="stylesheet" href="../../../lib/resources/css/main.css" type="text/css" media="all">
<script type="text/javascript" src="../../../lib/js/ext-base.js"></script>
<script type="text/javascript" src="../../../lib/js/ext-all.js"></script>
<script type="text/javascript"><!--
Ext.onReady(function(){
var test1;
var test2 = 'Sample';
if (Ext.isEmpty(test1)) {
Ext.getDom('result').innerHTML = 'test1はundefinedかnullか空文字です<br>';
}else{
Ext.getDom('result').innerHTML = 'test1はundefinedかnullか空文字ではありません<br>';
}
if (Ext.isEmpty(test2)) {
Ext.getDom('result').innerHTML += 'test2はundefinedかnullか空文字です<br>';
}else{
Ext.getDom('result').innerHTML += 'test2はundefinedかnullか空文字ではありません<br>';
}
});
// --></script>
</head>
<body>
<h1>値がundefinedかnullか空文字かどうか調べる</h1>
<div id="result">---</div>
</body>
</html>