1、jQuery对象.each(callback)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>遍历</title>
<script src="js/jquery.js">
</script>
<script type="text/javascript">
$(function(){
var wifes =$("#wife li");
wifes.each(function(index,obj){
//index:就是元素在集合中的索引
//obj：就是集合中的每一个元素对象
//this：集合中的每一个元素对象
alert(index+":"+$(obj).html());
});
});
</script>
</head>
<body>
<ul id="wife">
<li>加藤惠</li>
<li>斋藤飞鸟</li>
<li>西野七濑</li>
<li>石原里美</li>
<li>亚丝娜</li>
</ul>
</body>
</html>
2、$.each(obj,callback)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>遍历</title>
<script src="js/jquery.js">
</script>
<script type="text/javascript">
$(function(){
var wifes =$("#wife li");
// //this：集合中的每一个元素对象
$.each(wifes,function(index){
alert(index+":"+$(this).html());
});
});
</script>
</head>
<body>
<ul id="wife">
<li>加藤惠</li>
<li>斋藤飞鸟</li>
<li>西野七濑</li>
<li>石原里美</li>
<li>亚丝娜</li>
</ul>
</body>
</html>
3、for ...of
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>遍历</title>
<script src="js/jquery.js">
</script>
<script type="text/javascript">
$(function(){
var wifes =$("#wife li");
for (wife of wifes) {
alert($(wife).html());
}
});
</script>
</head>
<body>
<ul id="wife">
<li>加藤惠</li>
<li>斋藤飞鸟</li>
<li>西野七濑</li>
<li>石原里美</li>
<li>亚丝娜</li>
</ul>
</body>
</html>
