//表格[删除,添加,清空内容]
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
* {
padding: 0;
margin: 0;
}
.wrap {
width: 300px;
margin: 100px auto 0;
}
table {
border-collapse: collapse;
border-spacing: 0;
border: 1px solid #c0c0c0;
width: 300px;
}
th,
td {
border: 1px solid #d0d0d0;
color: #404060;
padding: 10px;
}
th {
background-color: #09c;
font: bold 16px "微软雅黑";
color: #fff;
}
td {
font: 14px "微软雅黑";
}
tbody tr {
background-color: #f0f0f0;
text-align: center;
}
tbody tr:hover {
cursor: pointer;
background-color: #fafafa;
}
</style>
</head>
<body>
<div class="wrap">
<input type="button" value="清空内容" id="btn">
<input type="button" value="添加" id="btnAdd">
<table>
<thead>
<tr>
<th>
<input type="checkbox" id="j_cbAll"/>
</th>
<th>菜名</th>
<th>饭店</th>
<th>操作</th>
</tr>
</thead>
<tbody id="j_tb">
<tr>
<td>
<input type="checkbox"/>
</td>
<td>红烧肉</td>
<td>田老师</td>
<td><a class="get">DELETE</a></td>
</tr>
<tr>
<td>
<input type="checkbox"/>
</td>
<td>西红柿鸡蛋</td>
<td>田老师</td>
<td><a class="get">DELETE</a></td>
</tr>
<tr>
<td>
<input type="checkbox"/>
</td>
<td>红烧狮子头</td>
<td>田老师</td>
<td><a class="get">DELETE</a></td>
</tr>
<tr>
<td>
<input type="checkbox"/>
</td>
<td>日式肥牛</td>
<td>田老师</td>
<td><a class="get">DELETE</a></td>
</tr>
</tbody>
</table>
</div>
<script type="text/javascript" src="../js/jquery-1.8.3.min.js" ></script>
<script>
$(function () {
$("#j_cbAll").click(function () {
$("#j_tb input").prop("checked",$(this).prop("checked"));
});
$("j_tb input").click(function(){
if($("#j_tb input:checked").length == $("#j_tb input").length){
$("#j_cbAll").prop("checked",true);
}else{
$("#j_cbAll").prop("checked",false);
}
});
//1. 找到清空按钮,注册点击事件,清空tbody
$("#btn").on("click", function () {
$("#j_tb").empty();
});
// //2. 找到delete,注册点击事件[不是动态,不能给新增的元素添加这个事件]
// $(".get").on("click", function () {
// $(this).parent().parent().remove();
// });
$("#j_tb").on("click", ".get", function () {
$(this).parent().parent().remove();
});
//3. 找到添加按钮,注册点击事件
$("#btnAdd").on("click", function () {
$('<tr><td><input type="checkbox"/></td><td>饺子</td><td>郝老师</td> <td><a class="get">DELETE</a></td> </tr>').appendTo("#j_tb");
});
});
</script>
</body>
</html>