fromElement Attribute | fromElement参数属性
| DHTML文档教程 |
Sets or retrieves the object from which activation or the mouse pointer is exiting during the event.
dhtml语法
event.fromElement [ = oObject ]
DHTML可能的值
oObject |
Object that
specifies or receives the previous location of activation or the mouse pointer. |
The property is read/write.
The property has no default value.
Expressions can be used in place of the preceding value(s), as of Microsoft® Internet Explorer 5. For more information, see about dynamic properties.
remarks
the property is read-only in microsoft® internet explorer 4.0, and read/write in internet explorer 5 and later.
DHTML代码范例
In this example, the alert returns "mouse arrived" when the mouse pointer moves over the button.
<SCRIPT>
function testMouse(oObject) {
if(!oObject.contains(event.fromElement)) {
alert("mouse arrived");
}
}
</SCRIPT>
:
<BUTTON ID=oButton onmouseover="testMouse(this)">Mouse Over This.</BUTTON>
This feature requires Microsoft® Internet Explorer 5 or later. Click the following icon to install the latest version. Then reload this page to view the sample.
是否符合公共标准
There is no public standard that applies to this property.
Applies To