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JS gets the value of the Select Drop-down box

Source: Internet
Author: User
Keywords Web page production Ajax javascript
Tags ajax drop get html http index javascript public
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This is a simple and practical web effects get Select value Oh, we use getElementById to get select ID=CC, and then we use option to index the value of the current option Oh

<!doctype HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/ Xhtml1-transitional.dtd ""
<html xmlns= "http://www.w3.org/1999/xhtml"
<head>
<meta http-equiv= "Content-type" content= "HTML; charset=gb2312 "/>
<title>js Gets the value of the Select Drop-down box </title>
<script language=" Web Effects "
  function GetValue ()
 {
  var t = document.getElementById ("cc");
  alert (t.options[t.selectedindex].value);
 }
 
 function addselect ()
 {
    var selectvar = docuemnt.all (' Select1 ');
    var options = selectvar.options;
    var index = Selectvar.selectedindex;
    var selectvalue = Options[index];
    options[i] = new option ("added value", "values");
 }
</script>
</head>

<body>
<select name= "Select1" id= "CC" onchange= "GetValue ();"
    <option value= "111c" >--contributors--</option>
    <option Value= "jzread.com" >--administrator--</option>
 </select>
 <a href= "# onclick=" Addselect ();" > Add options to select </a>
</body>
</html>

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