欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  IT编程

jQuery获取(选中)单选,复选框,下拉框中的值

程序员文章站 2022-04-14 12:53:30
jQuery获取(选中)单选,复选框,下拉框中的值代码如下:

jQuery获取(选中)单选,复选框,下拉框中的值代码如下:


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>MyHtml.html</title>

 

<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">

<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<script type="text/javascript" src="jquery-1.3.min.js"></script>
<script type="text/javascript">
function aa(){
// 获取单选按钮的值
var a = $("input[name='sex'][checked]").val();
alert(a);
}
function bb(){
// 若选中返回true,否则返回false
var c = $("#a").attr("checked");
alert(c);

// 获取单个复选框的值
var d = $("input[name='checkName'][checked]").val();
alert(d);

// 获取多个复选框的值
$("input[name='checkName'][checked]").each(function(){
if(this.checked)
alert($(this).val());
});
}

function checkWeek(){
//var $param = {};
$("#mPrefType").each(function(){
//    var key = $(this).attr("name");
//    if(!$param[key])
//        $param[key] = [];
// 获得value值
var value = $("##mPrefType option:selected").val();
alert(value);
// 获得需要的值
var name = $("##mPrefType option:selected").text();
alert(name);
});
}
</script>
</head>

<body>
Number:<input type = "text" value ="" name ="num1"/><br>
Number:<input type = "text" value ="" name = "num2"/><br>
<input type = "radio" value = "a"  name = "ss" />a
<input type = "radio" value = "b"  name = "ss" />b
<input type = "radio" value = "c"  name = "ss"/>c
<input type = "radio" value = "d"  name = "ss" >d<br>
<input type = "submit"  value = "提交"/> <br>
<hr>
<input type="radio" value="男" name="sex" id="1" onclick="aa()"/>男
<input type="radio" value="女" name="sex" id="0" onclick="aa()"/>女<br>
<input type="button" value="您选择的性别" onclick="aa()"/><br>
<hr>
<input type="checkbox" name="checkName" value="aa" id="a"/>aa
<input type="checkbox" name="checkName" value="bb" id="b"/>bb
<input type="checkbox" name="checkName" value="cc"/>cc
<input type="checkbox" name="checkName" value="dd"/>dd<br>
<input type="button" value="您选择的值是" onclick="bb()"/>
<hr>
<ul>
<li>请选泽</li>
<li>
<select id="mPrefType" name="mPrefType" class="inputS" onchange="checkWeek()">
<option value=0>请选择:</option>
<option value=1>星期一</option>
<option value=2>星期二</option>
<option value=3>星期三</option>
<option value=4>星期四</option>
<option value=5>星期五</option>
<option value=6>星期六</option>
<option value=7>星期日</option>
</select>
</li>
</ul>
</body>
</html>