效果图:
原理:
主要是根据已有数据,利用 document.createElement 生成元素,并用 node.appendChild(child)添加到DOM中。这些操作还是比较简单的,反而觉得是table相关标签之间的关系有点绕。
代码:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<!-- 使用style修改样式 -->
<style>
* {
margin: 0;
padding: 0;
}
.clearfix:after {
visibility: hidden;
clear: both;
display: block;
content: ".";
height: 0
}
.clearfix {
*zoom: 1
}
a {
color: black;
text-decoration: none;
}
ul {
list-style: none;
}
table {
width: 500px;
margin: 100px auto;
border-collapse: collapse;
text-align: center;
}
td,
th {
border: 1px solid #333;
}
thead tr {
height: 40px;
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>
var data = [{
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
}
]
var tbody = document.querySelector('tbody');
for (var i = 0; i < data.length; i++) {
var tr = document.createElement('tr');
for (var j in data[i]) {
var td = document.createElement('td');
td.innerHTML = data[i][j];
tr.appendChild(td);
}
var td = document.createElement('td');
td.innerHTML = '<a href="javaScript:;">删除</a>';
tr.appendChild(td);
tbody.appendChild(tr);
}
var alist = document.querySelectorAll('a');
for (var j = 0; j < alist.length; j++) {
alist[j].onclick = function () {
tbody.removeChild(this.parentNode.parentNode);
}
}
</script>
</body>
</html>