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x参数属性

DHTML文档教程

Sets or retrieves the x-coordinate, in pixels, of the mouse pointer's position relative to a relatively positioned parent element.

dhtml语法

event.x [ = iX ]

DHTML可能的值

iXInteger that specifies or receives the x-coordinate, in pixels.

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.

in browser versions earlier than internet explorer 5, the x property retrieves a coordinate relative to the client.

this property returns the x-coordinate of the closest relatively positioned parent element of the element that fires the event. if the event firing element is relatively positioned, then the x-coordinate from the boundary of the element is returned. if the event firing element and all of its parent elements are not relatively positioned, then the x property returns a coordinate relative to the body element.

if the mouse is outside the window when the event is called, this property returns -1.

DHTML代码范例

This example displays the current mouse position in the browser's status window.

<BODY onmousemove="window.status = 'X=' + window.event.x +
' Y=' + window.event.y">

是否符合公共标准

There is no public standard that applies to this property.

Applies To

event