JavaScript Reference/Javascript Properties/expando — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
|
(нет различий)
| |
Текущая версия на 08:21, 26 мая 2010
Содержание
"expando" Example
<html>
<body>
<p id="myElement">Sample text, try to select part of it</p>
<script language="JavaScript">
function function1() {
myElement.setAttribute("unselectable", "off", 0);
document.expando = true;
}
function function2() {
myElement.setAttribute("unselectable", "on", 0);
document.expando = true;
}
</script>
<button onclick="function2();">Unselectable</button>
<button onclick="function1();">Selectable</button>
</body>
</html>
"expando" is applied to
+----------------+--------------------------------------------------------------+
| Applied_To |attribute (IE6 only) document |
+----------------+--------------------------------------------------------------+
"expando" Possible Values
Possible Values
true (the default)
false.
"expando" Syntax and Note
Note:
Read and write property.
Can custom properties be added to object.
Syntax:
objectName.expando = value
The following example illustrates how to create a custom counter property:
document.expando = true; // instruct the browser to "expand" the properties array
document.counter = 0; // introduce a new property