jQuery获取(选中)单选,复选框,下拉框中的值

  实例如下:

  

复制代码 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>