jquery Determines whether radio is selected, get the selected value example

Source: Internet
Author: User

A jquery judge whether Radio is selected, get the selected value example, there is nothing special to say place, everybody take down direct use can.

    The
The code is as follows

<meta http-equiv= "Content-type" Content= "text/html; Charset=utf-8 "/>
<title>jquery radio</title>
<script type=" Text/javascript "language=" JavaScript "src=" Http://www.aimks.com/wp-includes/js/jquery/jquery.js "></script>
<script type=" Text/javascript "language=" JavaScript
 /*------Determine if Radio is selected, get the selected value--------*/
 $ (function () {
   $ ("#btnSubmit"). Click (function () {
    var val=$ (' input:radio[name= ' sex]: Checked '). Val ();
   if (val==null) {
    alert ("Nothing Selected!");
    return false;
   }
   else{
    alert (val);
   
    var list= $ (' input:radio[name= "list"]:checked "). Val ();
   if (list==null) {
    alert ("Please select one!");
    return false;
   }
   else{
    alert (list);
   }   
  });
 });
</script>
 
<body>
<form id= "Form1"
<input type= " Radio "  name=" sex "value=" male "/> man
<input type=" Radio "name=" Sex "value=" female "/> female
<br/>
< Input type= "Radio"   name= "list" value= "very satisfied"/> very satisfied with the
<input type= "Radio" name= "list" value= "Satisfaction"/> Satisfaction
<input type= "Radio" name= "list" value= "dissatisfied"/> Dissatisfied
<input type= "Radio" name= "list" value= "very poor"/> very poor
<br/>
<input type= "Submit" value= "submit"   id= "btnsubmit"/>
</form>
</body

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