Introduction:
We can easily select multiple option using Multiple Property.
Main:
<html>
<head>
<script type=”text/javascript”>
function selectMultiple()
{
document.getElementById(“ddl”).multiple=true;
}
</script>
</head>
<body>
<form>
<select id=”ddl” size=”4″>
<option>One</option>
<option>Two</option>
<option>Three</option>
<option>Four</option>
</select>
<input type=”button” onclick=”selectMultiple()” >
</form>
</body>
</html>
Conclusion:
Hope,this helps.