Change the size of a dropdown list (ComboBox) : Option Select ComboBox : Form Control JAVASCRIPT DHTML TUTORIALS

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Change the size of a dropdown list (ComboBox)




<html>
<head>
<script type="text/javascript">
function formAction(){
    var x=document.getElementById("mySelect")
    x.size="3"
}
</script>
</head>

<body>
<form>
<select id="mySelect">
  <option>1</option>
  <option>2</option>
  <option>3</option>
  <option>4</option>
</select>
<input type="button" onclick="formAction()" value="Change size of list">
</form>
</body>

</html>