表格删除案例
on的简单事件
//1. 找到清空按钮，注册点击事件，清空tbody
$("#btn").on("click", function () {
$("#j_tb").empty();
});
on的委托事件
//2. 找到delete，注册点击事件
$("#j_tb").on("click", ".get", function () {
$(this).parent().parent().remove();
});
on的简单事件
//3. 找到添加按钮,注册点击事件
$("#btnAdd").on("click", function () {
$('<tr> <td>jQuery111</td> <td>传智播客-前端与移动开发学院111</td> <td><a href="javascrip:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="get">DELETE</a></td> </tr>').appendTo("#j_tb");
});
效果如下：
<!DOCTYPE html>
<html><head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
* {
padding: 0;
margin: 0;
} .wrap {
width: 410px;
margin: 100px auto 0;
} table {
border-collapse: collapse;
border-spacing: 0;
border: 1px solid #c0c0c0;
} th,
td {
border: 1px solid #d0d0d0;
color: #404060;
padding: 10px;
} th {
background-color: #09c;
font: bold 16px "΢ÈíÑźÚ";
color: #fff;
} td {
font: 14px "΢ÈíÑźÚ";
} td a.get {
text-decoration: none;
} a.del:hover {
text-decoration: underline;
} tbody tr {
background-color: #f0f0f0;
} tbody tr:hover {
cursor: pointer;
background-color: #fafafa;
} .btnAdd {
width: 110px;
height: 30px;
font-size: 20px;
font-weight: bold;
} .form-item {
height: 100%;
position: relative;
padding-left: 100px;
padding-right: 20px;
margin-bottom: 34px;
line-height: 36px;
} .form-item>.lb {
position: absolute;
left: 0;
top: 0;
display: block;
width: 100px;
text-align: right;
} .form-item>.txt {
width: 300px;
height: 32px;
} .mask {
position: absolute;
top: 0px;
left: 0px;
width: 100%;
height: 100%;
background: #000;
opacity: 0.15;
display: none;
} .form-add {
position: fixed;
top: 30%;
left: 50%;
margin-left: -197px;
padding-bottom: 20px;
background: #fff;
display: none;
} .form-add-title {
background-color: #f7f7f7;
border-width: 1px 1px 0 1px;
border-bottom: 0;
margin-bottom: 15px;
position: relative;
} .form-add-title span {
width: auto;
height: 18px;
font-size: 16px;
font-family: ËÎÌå;
font-weight: bold;
color: rgb(102, 102, 102);
text-indent: 12px;
padding: 8px 0px 10px;
margin-right: 10px;
display: block;
overflow: hidden;
text-align: left;
} .form-add-title div {
width: 16px;
height: 20px;
position: absolute;
right: 10px;
top: 6px;
font-size: 30px;
line-height: 16px;
cursor: pointer;
} .form-submit {
text-align: center;
} .form-submit input {
width: 170px;
height: 32px;
}
</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>课程名称</th>
<th>所属学院</th>
<th>操作</th>
</tr>
</thead>
<tbody id="j_tb">
<tr>
<!-- <td><input type="checkbox"/></td> -->
<td>JavaScript</td>
<td>传智播客-前端与移动开发学院</td>
<td><a href="javascrip:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="get">DELETE</a></td>
</tr>
<tr>
<!-- <td><input type="checkbox"/></td> -->
<td>css</td>
<td>传智播客-前端与移动开发学院</td>
<td><a href="javascrip:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="get">DELETE</a></td>
</tr>
<tr>
<!-- <td><input type="checkbox"/></td> -->
<td>html</td>
<td>传智播客-前端与移动开发学院</td>
<td><a href="javascrip:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="get">DELETE</a></td>
</tr>
<tr>
<td>jQuery</td>
<td>传智播客-前端与移动开发学院</td>
<td><a href="javascrip:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="get">DELETE</a></td>
</tr>
</tbody>
</table>
</div> <script src="jquery-1.12.4.js"></script>
<script>
$(function () {
//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
$("#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>jQuery111</td> <td>传智播客-前端与移动开发学院111</td> <td><a href="javascrip:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="get">DELETE</a></td> </tr>').appendTo("#j_tb");
}); }); </script></body></html>
