How to add a combo box dynamically at run time in Java
script?
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Answer Posted / augusto vyhmeister
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01
Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html;
charset=windows-1250">
<meta name="generator" content="PSPad editor,
www.pspad.com">
<title></title>
</head>
<body>
<script language="JavaScript" type="text/javascript">
function change(currentbox) {
alert('very complex...to understand');
}
function change1()
{
alert('changing...');
son = document.getElementById("combo_0");
son1 = document.getElementById("combo_1");
son2 = document.getElementById("combo_2");
alert(son.value);
if(son.value == '0') //
{
son1.options.length = 0;
son2.options.length = 0;
}
if(son.value == '1') //
{
son1.options.length = 0;
for (var i=0;i<5;i++)
{
son1.options[i]= new Option("Test"+i,i)
}
}
if(son.value == '2') //
{
son1.options.length = 0;
for (var i=0;i<15;i++)
{
son1.options[i]= new Option("Test"+i,i)
}
}
if(son.value == '2') //
{
son1.options.length = 0;
for (var i=0;i<10;i++)
{
son1.options[i]= new Option("Test"+i,i)
}
}
}
</script>
<form>
<select name="combo0" id="combo_0" onChange="change1
(this);" style="width:200px;">
<option value="0">-select-</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<BR><BR>
<select name="combo1" id="combo_1" onChange="change(this)"
style="width:200px;">
<option value="0">-select-</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<BR><BR>
<select name="combo2" id="combo_2" onChange="change(this);"
style="width:200px;">
<option value="value1"> </option>
</select>
<BR><BR>
<select name="combo3" id="combo_3" onChange="change(this);"
style="width:200px;">
<option value="value1"> </option>
</select>
</form>
<p align="center">This free script provided by<br />
<a href="http://javascriptkit.com"><b
style="color:black;background-color:#a0ffff">JavaScript</b>
Kit</a></p>
<p align="center">And adapted by <br />
<a href="http://www.engelsss.dyndns.org"><b
style="color:black;background-color:#a0ffff">Augusto</b>
Vyhmeister</a></p>
</body>
</html>
| Is This Answer Correct ? | 20 Yes | 11 No |
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