JavaScript Reference/Javascript Properties/label
"label" Example
<!--
Example revised from
The Web Programmer"s Desk Reference
by Lazaro Issi Cohen and Joseph Issi Cohen
ISBN: 1593270119
Publisher: No Starch Press 2004
-->
<html>
<body>
<form name="form2" method="post" action="">
<select name="select1">
<optgroup id="optg1">
<option id="opt1_1">first</option>
<option>second</option>
<option>third</option>
</optgroup>
<optgroup id="optg2">
<option>first item in second group </option>
<option id="opt2_2">second item in second group </option>
<option>third item in second group </option>
</optgroup>
<script language="JavaScript">
document.getElementById("optg1").label = "first group";
document.getElementById("optg2").label = "second group";
</script>
</select>
</form>
</body>
</html>
"label" is applied to
+----------------+--------------------------------------------------------------+
| Applied_To |<option> |
+----------------+--------------------------------------------------------------+
"label" Syntax and Note
Note:
Read and write property.
For the <optgroup>, helps group list items in a <select> element.
For the <option>, used to record additional information regarding
the element.
Syntax:
document.getElementById("elementID").label = value
document.all.elementID.label = value // IE only