From the dropdown selection reflect the same to other dropdown

Question

1.00/5 (2 votes)

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Hi,
I have two dropdowns with same content, by selection of one dropdown I want to reflect same in other dropdown.

In dropdown again I have checkbox selection.

For textbox I did like

JavaScript

text_id_1 = document.getElementById("text_id_1");
    text_id_2 = document.getElementById("text_id_2");
    text_id_2.value = text_id_1.value;

How to do for dropdown list.

Plz suggest me.

Posted 10-Oct-13 3:42am

kishore.koorma

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Eduard Keilholz 10-Oct-13 10:17am

Copy of http://www.codeproject.com/Questions/666498/For-the-dropdown-selection-reflect-the-same-to-oth

thatraja 10-Oct-13 10:21am

checkbox? where's it?

1 solution

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thatraja · Answer 1 · 2013-10-10T04:29:00

Use the selectedIndex

ASP

<!DOCTYPE html>
<html>
<head>
<script language="JavaScript">
<!--
function selectChange1() {
   document.getElementById("dropdown2").selectedIndex =
   document.getElementById("dropdown1").selectedIndex;
}
function selectChange2() {
   document.getElementById("dropdown1").selectedIndex =
   document.getElementById("dropdown2").selectedIndex;
}
//-->
</script>
</head>
<body>

<select name="dropdown1" onChange="selectChange1()">
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="opel">Opel</option>
  <option value="audi">Audi</option>
</select>

<select name="dropdown2" onChange="selectChange2()">
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="opel">Opel</option>
  <option value="audi">Audi</option>
</select>

</body>
</html>