1.each（）事件遍历所有满足条件的元素
<script> $(document).ready(function(){ $("button").click(function(){ $("li").each(function(){ alert($(this).text()) }); }); }); </script>
<body>
<button>输出每个列表项的值</button>
<ul>
<li>Coffee</li>
<li>Milk</li>
<li>Soda</li>
</ul>
</body>
2.$.param建立对象随后遍历：
<script> $(document).ready(function(){ personObj=new Object(); personObj.firstname="John"; personObj.lastname="Doe"; personObj.age=50; personObj.eyecolor="blue"; $("button").click(function(){ $("div").text($.param(personObj)); }); }); </script> <body> <button>序列化对象</button> <div></div> </body>
3.toArray建立数组并遍历
<script> $(document).ready(function(){ $("button").click(function(){ x=$("li").toArray() for (i=0;i<x.length;i++) { alert(x[i].innerhtml); } }); }); </script>
<body>
<button>输出每个li的值</button>
<ul>
<li>Coffee</li>
<li>Milk</li>
<li>Soda</li>
</ul>
</body>