<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>表格自动插入数据</title>
<style>
*{
margin: 0px;
padding: 0px;
}
table{
width: 500px;
margin: 100px auto;
border-collapse: collapse;
text-align: center;
}
th,td{
border: 1px solid #333;
}
thead tr{
height: 30px;
background-color: #ccc;
}
</style>
</head>
<body>
<table>
<thead>
<tr>
<th>姓名</th>
<th>科目</th>
<th>成绩</th>
<th>操作</th>
</tr>
</thead>
<tbody>
</tbody>
</table>
<script>
//准备好的数据
var datas = [{
name: ‘魏璎珞‘,
subject: ‘JavaScript‘,
score: 100
}, {
name: ‘弘历‘,
subject: ‘JavaScript‘,
score: 98
}, {
name: ‘傅恒‘,
subject: ‘JavaScript‘,
score: 99
}, {
name: ‘明玉‘,
subject: ‘JavaScript‘,
score: 88
}, {
name: ‘大猪蹄子‘,
subject: ‘JavaScript‘,
score: 0
}];
var tbody = document.querySelector(‘tbody‘);
for(var i=0; i<datas.length; i++){
var tr_ele = document.createElement(‘tr‘);
tbody.appendChild(tr_ele);
//遍历对象 获取属性名 （ j 表示属性名 ）
for(var j in datas[i]){
var td_ele = document.createElement(‘td‘);
td_ele.innerHTML = datas[i][j];
tr_ele.appendChild(td_ele);
}
//创建有删除的单元格
var sc_ele = document.createElement(‘td‘);
sc_ele.innerHTML = "<a href=‘javascript:;‘>删除</a>";
tr_ele.appendChild(sc_ele);
}
//删除操作
var as = document.querySelectorAll(‘a‘);
for(var i=0; i<as.length; i++){
as[i].onclick = function(){
tbody.removeChild(this.parentNode.parentNode);
}
}
</script>
</body>
</html>
原文：https://www.cnblogs.com/wuyuchuan/p/14782387.html