JavaScript Reference/Javascript Properties/selected — различия между версиями
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Текущая версия на 08:22, 26 мая 2010
Содержание
"selected" 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>
<head>
<script>
function function1(colors) {
var col = (colors.options[colors.selectedIndex].value);
document.all.myOpt.selected = true;
if (col) {
document.bgColor = col;
}
}
</script>
</head>
<body id="myBody" onUnload="document.forms[0].reset();">
<form method="post" action="">
<select name="colors" onChange="function1(this);">
<option value="white">White</option>
<option id="myOpt" value="cyan">Cyan</option>
<option value="ivory">Ivory</option>
</select>
</form>
</body>
</html>
"selected" is applied to
+----------------+--------------------------------------------------------------+
| Applied_To |<option> |
+----------------+--------------------------------------------------------------+
"selected" Possible Values
Possible Values
true
false.
"selected" Syntax and Note
Note:
Read and write property.
Is <option> element selected.
Syntax:
document.getElementById("optionID").selected = value
document.all.optionID.selected = value // IE only