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Teacher's comments：
Collection
Collection
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>操作表格</title>
<style>
table,th,td{
border: 1px solid #666;
}
table {
width: 500px;
text-align: center;
border-collapse: collapse;
}
table caption {
font-size: 1.2rem;
margin-bottom: 15px;
}
/* 这里必须在nth-of-type(1)前添加父元素,否则thead,tbody中的第一行都会生效 */
thead tr:nth-of-type(1) {
background-color: lightblue;
}
</style>
</head>
<body>
<table id="table">
<caption>花名册</caption>
<thead>
<tr>
<th>编号</th>
<th>姓名</th>
<th>年龄</th>
<th>性别</th>
</tr>
</thead>
<tbody id="tbody"></tbody>
</table>
<script>
var data = [
{id: 0, name: '张三', age: 15, male: '男'},
{id: 1, name: '李四', age: 18, male: '女'},
{id: 2, name: '王五', age: 23, male: '未知'}
];
//先获取要添加表单的位置1、先获取表格
var table=document.getElementById('table');
var tbody=table.tBodies[0];
for(var i=0;i<data.length;i++){
//先在tbody下创建一组<tr></tr>标签
var tr=document.createElement('tr');
Object.keys(data[i]).forEach(function (value) {
tr.innerHTML= tr.innerHTML + '<td>'+data[i][value]+'</td>';
});
tbody.appendChild(tr);
}
</script>
</body>
</html>点击 "运行实例" 按钮查看在线实例