JQuery_案例
隔行换色
HTML代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="../js/jquery-3.3.1.min.js"></script>
<script>
//需求：将数据行的奇数行背景色设置为pink 偶数行背景色设置为yellow
$(function(){
//1.获取数据行的奇数的tr 设置背景色为pink
$("tr:gt(1):odd").css("backgroundColor","pink");
//2.获取数据行的偶数行的tr 设置背景色为yellow
$("tr:gt(1):even").css("backgroundColor","yellow");
});
</script>
</head>
<body>
<table id="tab1" border="1" width="800" align="center" >
<tr>
<td colspan="5"><input type="button" value="删除"></td>
</tr>
<tr style="background-color: #999999;">
<th><input type="checkbox"></th>
<th>分类ID</th>
<th>分类名称</th>
<th>分类描述</th>
<th>操作</th>
</tr>
<tr>
<td><input type="checkbox"></td>
<td>0</td>
<td>手机数码</td>
<td>手机数码类商品</td>
<td><a href="">修改</a>|<a href="">删除</a></td>
</tr>
<tr>
<td><input type="checkbox"></td>
<td>1</td>
<td>电脑办公</td>
<td>电脑办公类商品</td>
<td><a href="">修改</a>|<a href="">删除</a></td>
</tr>
<tr>
<td><input type="checkbox"></td>
<td>2</td>
<td>鞋靴箱包</td>
<td>鞋靴箱包类商品</td>
<td><a href="">修改</a>|<a href="">删除</a></td>
</tr>
<tr>
<td><input type="checkbox"></td>
<td>3</td>
<td>家居饰品</td>
<td>家居饰品类商品</td>
<td><a href="">修改</a>|<a href="">删除</a></td>
</tr>
</table>
</body>
</html>
运行结果
全选全不选
HTML代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>全选全不选</title>
<script src="../js/jquery-3.3.1.min.js"></script>
<script>
//分析:需要保证下边的选中状态和第一个复选框的选中状态一致即可
function selectAll(obj){
//获取下边的复选框
$(".itemSelect").prop("checked",obj.checked);
}
</script>
</head>
<body>
<table id="tab1" border="1" width="800" align="center">
<tr>
<td colspan="5"><input type="button" value="删除"></td>
</tr>
<tr>
<th><input type="checkbox" onclick="selectAll(this)"></th>
<th>分类ID</th>
<th>分类名称</th>
<th>分类描述</th>
<th>操作</th>
</tr>
<tr>
<td><input type="checkbox" class="itemSelect"></td>
<td>1</td>
<td>手机数码</td>
<td>手机数码类商品</td>
<td><a href="">修改</a>|<a href="">删除</a></td>
</tr>
<tr>
<td><input type="checkbox" class="itemSelect"></td>
<td>2</td>
<td>电脑办公</td>
<td>电脑办公类商品</td>
<td><a href="">修改</a>|<a href="">删除</a></td>
</tr>
<tr>
<td><input type="checkbox" class="itemSelect"></td>
<td>3</td>
<td>鞋靴箱包</td>
<td>鞋靴箱包类商品</td>
<td><a href="">修改</a>|<a href="">删除</a></td>
</tr>
<tr>
<td><input type="checkbox" class="itemSelect"></td>
<td>4</td>
<td>家居饰品</td>
<td>家居饰品类商品</td>
<td><a href="">修改</a>|<a href="">删除</a></td>
</tr>
</table>
</body>
</html>
运行结果
qq表情选择
HTML代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>qq表情选择</title>
<script src="../js/jquery-3.3.1.min.js"></script>
<style type="text/css">
*{margin:0;padding:0;list-style:none}
.emoji{margin:50px;}
ul{overflow:hidden;}
li{float:left; width:48px; height:48px; cursor:pointer;}
.emoji img{cursor:pointer;}
</style>
<script >
//需求：点击qq标签 将其追加到发言框中
$(function(){
//1.给img图片添加onclick事件
$("ul img").click(function(){
//2.追加到p标签中即可
$(".word").append($(this).clone());
});
});
</script>
</head>
<body>
<div class="emoji">
<ul>
<li><img src="../img/01.gif" height="22" width="22" alt=""/></li>
<li><img src="../img/02.gif" height="22" width="22" alt=""/></li>
<li><img src="../img/03.gif" height="22" width="22" alt=""/></li>
<li><img src="../img/04.gif" height="22" width="22" alt=""/></li>
<li><img src="../img/05.gif" height="22" width="22" alt=""/></li>
<li><img src="../img/06.gif" height="22" width="22" alt=""/></li>
<li><img src="../img/07.gif" height="22" width="22" alt=""/></li>
<li><img src="../img/08.gif" height="22" width="22" alt=""/></li>
<li><img src="../img/09.gif" height="22" width="22" alt=""/></li>
<li><img src="../img/10.gif" height="22" width="22" alt=""/></li>
<li><img src="../img/11.gif" height="22" width="22" alt=""/></li>
<li><img src="../img/12.gif" height="22" width="22" alt=""/></li>
</ul>
<p class="word">
<strong>请发言:</strong>
<img src="../img/12.gif" height="22" width="22" alt="" />
</p>
</div>
</body>
</html>
运行结果
左右移动
HTML代码
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="../../js/jquery-3.3.1.min.js"></script>
<style>
#leftName , #btn,#rightName{
float: left;
width: 100px;
height: 300px;
}
#toRight,#toLeft{
margin-top:100px ;
margin-left:30px;
width: 50px;
}
.border{
height: 500px;
padding: 100px;
}
</style>
<script>
//需求：实现下拉列表选中条目左右选择功能
$(function () {
//toRight
$("#toRight").click(function () {
//获取右边的下拉列表对象，append(左边下拉列表选中的option)
$("#rightName").append($("#leftName > option:selected"));
});
//toLeft
$("#toLeft").click(function () {
//appendTo 获取右边选中的option，将其移动到左边下拉列表中
$("#rightName > option:selected").appendTo($("#leftName"));
});
});
</script>
</head>
<body>
<div class="border">
<select id="leftName" multiple="multiple">
<option>张三</option>
<option>李四</option>
<option>王五</option>
<option>赵六</option>
</select>
<div id="btn">
<input type="button" id="toRight" value="-->"><br>
<input type="button" id="toLeft" value="<--">
</div>
<select id="rightName" multiple="multiple">
<option>钱七</option>
</select>
</div>
</body>
</html>
标签：JQuery,function,删除,修改,家居饰品,tr,案例,鞋靴
From： https://www.cnblogs.com/aimz01/p/16607389.html