本文主要介绍了jQuery实现的简单动态添加、删除表格功能,涉及jQuery事件响应及表格元素动态操作相关实现技巧,需要的朋友可以参考下，希望能帮助到大家。
先来看看运行效果：
具体代码如下：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>www.jb51.net 脚本之家</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 "微软雅黑";
color: #fff;
}
td {
font: 14px "微软雅黑";
}
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: 宋体;
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 p {
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>
<p>
<p>
<input type="button" value="添加数据" id="j_btnAddData"/>
</p>
<table>
<thead>
<tr>
<!-- <th><input type="checkbox" id="j_cbAll" /></th> -->
<th>课程名称</th>
<th>所属学院</th>
<th>已学会</th>
</tr>
</thead>
<tbody id="j_tb">
<tr>
<!-- <td><input type="checkbox"/></td> -->
<td>JavaScript</td>
<td>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">GET</a></td>
</tr>
<tr>
<!-- <td><input type="checkbox"/></td> -->
<td>css</td>
<td>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">GET</a></td>
</tr>
<tr>
<!-- <td><input type="checkbox"/></td> -->
<td>html</td>
<td>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">GET</a></td>
</tr>
<tr>
<!-- <td><input type="checkbox"/></td> -->
<td>jQuery</td>
<td>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">GET</a></td>
</tr>
</tbody>
</table>
</p>
<p id="j_mask"></p>
<p id="j_formAdd">
<p>
<span>添加数据</span>
<p id="j_hideFormAdd">x</p>
</p>
<p>
<label for="j_txtLesson">课程名称：</label>
<input type="text" id="j_txtLesson" placeholder="请输入课程名称">
</p>
<p>
<label for="j_txtBelSch">所属学院：</label>
<input type="text" id="j_txtBelSch" value="前端与移动开发学院">
</p>
<p>
<input type="button" value="添加" id="j_btnAdd">
</p>
</p>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script>
$(document).ready(function () {
$("#j_btnAddData").click(function () {
$("#j_mask").show();
$("#j_formAdd").show();
$("#j_txtLesson").val("");
$("#j_txtBelSch").val("前端开发学院");
});
$("#j_hideFormAdd").click(function () {
$("#j_mask").hide();
$("#j_formAdd").hide();
});
$("#j_btnAdd").click(function () {
var txtLesson = $("#j_txtLesson").val();
var txtBelSch = $("#j_txtBelSch").val();
if (txtLesson == "" || txtBelSch == "") {
alert("课程名或者所属学院不能为空");
return;
}
var str = '<tr>'
+ '<td>' + txtLesson + '</td>'
+ '<td>' + txtBelSch + '</td>'
+ '<td><a href="javascrip:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow">GET</a></td>'
+ '</tr>';
$("#j_tb").append(str);
$("#j_mask").hide();
$("#j_formAdd").hide();
});
$("#j_tb").on("click",".get",function(){
$(this).parent().parent().remove();
});
});
</script>
</body>
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