<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>attr-prop</title>
<style> </style>
</head>
<body>
<select name="" id="">
<option value="">科比</option>
<option value="">韦德</option>
<option value="" selected="selected">邓肯</option>
<option value="">吉诺比利</option>
<option value="" selected="selected">艾佛森</option>
</select>
<button id="btn">按钮</button>
<script src="../zepto.js"></script>
<script src="../touch.js"></script>
<script>
$(function(){
$('option').each(function(index,item){
// console.log(index,item)
// console.log($(this).attr('selected')); // undefined || selected
console.log($(this).prop('selected'));
})
$('#btn').on('touchstart',function(){
$(this).prop('disabled',true)
setTimeout(function(){
$('#btn').removeAttr('disabled')
},1000)
})
})
</script>
</body>
</html>
