JS实现购物车添加以及删除效果
作者：互联网
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
*{margin: 0;padding: 0;}
table{margin: 0 auto;width: 400px;}
th,td{width: 100px;border-spacing: 0;border-collapse:collapse;text-align: center;}
</style>
</head>
<body>
<button type="button" id="btn">添加表格行</button>
<table border="1" cellspacing="0">
<thead>
<tr>
<th>产品名称</th>
<th>价格</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<tr>
<td>农夫山泉</td>
<td>￥2.00</td>
<td><a href="#">删除</a></td>
</tr>
<tr>
<td>农夫山泉</td>
<td>￥2.00</td>
<td><a href="#">删除</a></td>
</tr>
<tr>
<td>农夫山泉</td>
<td>￥2.00</td>
<td><a href="#">删除</a></td>
</tr>
<tr>
<td>农夫山泉</td>
<td>搬运工</td>
<td><a href="#">删除</a></td>
</tr>
</tbody>
</table>
<script type="text/javascript">
var btn = document.getElementById("btn");
var tbody = document.querySelector("tbody");
var tr;
var a = document.querySelectorAll("a");
console.log(a)
for (i = 0; i < a.length; i++) {
a[i].onclick = function() {
this.parentNode.parentNode.remove();
}
}
btn.onclick = function() {
tr = document.createElement("tr");
tr.innerHTML = "<td>农夫山泉</td><td>搬运工</td><td><a href='#'>删除</a></td>"
tbody.appendChild(tr)
a = document.querySelectorAll("a");
console.log(a)
for (i = 0; i < a.length; i++) {
a[i].onclick = function() {
this.parentNode.parentNode.remove();
}
}
}
</script>
</body>
</html>
标签：删除,农夫山泉,tr,parentNode,JS,添加,var,document,购物车 来源： https://www.cnblogs.com/mizuno0237/p/11432214.html