<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<script src="js/jquery-1.11.3.min.js"></script>
</head>
<body>
<table id="tb">
<tr id="1">
<td class="name">akon</td>
<td class="phone">111111</td>
</tr>
<tr id="2">
<td class="name">john</td>
<td class="phone">222222</td>
</tr>
<tr id="3">
<td class="name">tom</td>
<td class="phone">333333</td>
</tr>
</table>
<script>
var trList = $("#tb").find("tr");
for(var i=0; i<trList.length; i++) {
alert($(trList[i]).children(".name").text());
}
</script>
</body>
</html>