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<DOCTYPE html>
<head>
<meta charset=utf-8>
<title></title>
<style type="text/css">
table,td,th{
border: 1px solid #ccc;
}
table {
width:600px;
border-collapse:collapse;
text-align:center;}
table caption{
color:red;
font-weight: bold;
margin-bottom: 10px; }
thead tr{background-color:lightblue;}
/*thead tr:nth-of-type(1){background-color:lightblue;}*/
</style>
</head>
<!-- table对象定义一些属性，可以快速获取指定的子元素
1.tHead ：<thead>
2.Tbodies ：<tbody>----复数
3.tFoot ：<tfoot>
4.rows :所有行
5.cells ：所有列 -->
<table id="cart1">
<caption>购物车</caption>
<thead>
<tr>
<th>编号</th>
<th>品名</th>
<th>数量</th>
<th>单价</th>
</tr>
</thead>
<tbody>
<tr>
<td>1</td>
<td>手机</td>
<td>2</td>
<td>5000</td>
</tr>
<tr>
<td>2</td>
<td>电脑</td>
<td>3</td>
<td>6000</td>
</tr>
<tr>
<td>3</td>
<td>电视</td>
<td>2</td>
<td>3000</td>
</tr>
</tbody>
</table>
<hr>
<table id="cart2">
<caption>购物车</caption>
<thead>
<tr>
<th>编号</th>
<th>品名</th>
<th>数量</th>
<th>单价</th>
</tr>
</thead>
<tbody></tbody>
</table>
<!-- <script type="text/javascript">
var cart1 =document.getElementById('cart1');
var comput =cart1.tBodies[0].rows[1].cells[3].innerHTML = 7000;
</script> -->
<script type="text/javascript">
var data = [
{id:1,name:'牛奶',count:3,price:50},
{id:2,name:'苹果',count:10,price:80},
{id:3,name:'衣服',count:2,price:200}
]
var cart2 = document.getElementById('cart2');
var tbody = cart2.children[2];
// data.forEach(function(value){
// var tr = document.createElement('tr');
// tr.innerHTML +='<td>' + value.id + '</td>';
// tr.innerHTML +='<td>' + value.name + '</td>';
// tr.innerHTML +='<td>' + value.count + '</td>';
// tr.innerHTML +='<td>' + value.price + '</td>';
// tbody.appendChild(tr);
// })
for(var i = 0;i<data.length;i++){
var tr = document.createElement('tr');
Object.keys(data[i]).forEach(function (value){
tr.innerHTML +='<td>' + data[i][value] + '</td>';
tbody.appendChild(tr);
}
)
}
</script>
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