javascript USES switch case to dynamically change hyperlink text and address

2020-05-05 10:57:28
OfStack

The code is very simple, I here is not much nonsense, friends directly look at the source bar.



<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312">

<title> Dynamically change hyperlink text and address </title>

<link href="css/css.css" rel="stylesheet" type="text/css">

<script type="text/javascript" language="javascript">

function netbankusername()

{

values=form.bankname.options[form.bankname.selectedIndex].value;

texts=form.bankname.options[form.bankname.selectedIndex].text;

  switch (form.bankname.selectedIndex)

    {

       case 1:

        //document.links[0].href="http://www.cmbchina.com/";

        //shownetbank1.innerHTML="http://www.cmbchina.com/( China merchants bank, )";

        document.links[0].href=values;

        shownetbank1.innerHTML=values+"("+texts+")";

        break;

       case 2:

           //document.links[0].href="http://www.cib.com.cn/netbank/netbank.portal";

        //shownetbank1.innerHTML="http://www.cib.com.cn/netbank/netbank.portal( Societe generale )";

        document.links[0].href=values;

        shownetbank1.innerHTML=values+"("+texts+")";

        break;

        default:

            alert(form.bankname.selectedIndex);

        break;

    }

}

</script>

</head>

<body>

<form action="cardinfo_action.asp?action=insert" method="post" name="form" id="form">

<table width="200" border="0">  

<tr>    

<td> Please select a </td>

<td>

<select name="bankname" onChange="netbankusername()" id="bankname">

<option value=""> Please select a </option>

<option value="http://www.cmbchina.com/"> China merchants bank, </option>

<option value="http://www.cib.com.cn/netbank/netbank.portal"> Societe generale </option>

<option value="http://www.baidu.com"> other </option>

</select></td>  

</table>

</form>

<div style="border:1px solid #ccc;margin:1px;width:600px;height:20px;"><a href="#" target="_blank" id="shownetbank1" name="shownetbank1"> Unselected bank </a></div>

</body>

</html>

Isn't it super simple and practical... Often look at the larger station, or can be lifted to a lot of good things.