Are you looking for a very simple JavaScript that can redirect to an URL onChange of the Dropdown box?
Here is the code which is ready to use on any of your project.
1. JavaScript:
<script type="text/javascript">
function gotopage(selval){
var value = selval.options[selval.selectedIndex].value;
window.location.href=value;
}
</script>
2. Here is the HTML Part:
<select onchange="gotopage(this)"> <option value="">Select</option> <option value="https://www.google.com">Google</option> <option value="https://www.yahoo.com">Yahoo</option> <option value="https://www.msn.com">MSN</option> </select>
For your Convenience here is the Entire Javascript Redirect Example:
<html>
<head>
<script type="text/javascript">
function gotopage(selval){
var value = selval.options[selval.selectedIndex].value;
window.location.href=value;
}
</script>
</head>
<body>
<h3>Onchange Redirect Script</h3>
<select onchange="gotopage(this)">
<option value="">Select</option>
<option value="https://www.google.com">Google</option>
<option value="https://www.yahoo.com">Yahoo</option>
<option value="https://www.msn.com">MSN</option>
</select>
</body>
</html>