The MozScrolledAreaChanged event is fired when the document view has been scrolled or resized.
Note: While you can poll the values of document.scrollWidth and document.scrollHeight to watch for changes to the document size, reading these properties can trigger document reflow, which can make them computationally expensive. This event, introduced in Gecko 1.9.2, is fired whenever either or both of these values change.
General info
- Specification
- None, Mozilla specific
- Interface
- UIEvent
- Bubbles
- Yes
- Cancelable
- Yes
- Target
- DefaultView, Document
- Default Action
- None.
Properties
| Property | Type | Description |
|---|---|---|
target Read only |
EventTarget |
The event target (the topmost target in the DOM tree). |
type Read only |
DOMString |
The type of event. |
bubbles Read only |
boolean |
Does the event normally bubble? |
cancelable Read only |
boolean |
Is it possible to cancel the event? |
view Read only |
WindowProxy |
document.defaultView (the window of the document). |
detail Read only |
long (float) |
0. |
width Read only |
long (int) | The width of the visible region of the document. |
height Read only |
long (int) | The height of the visible region of the document. |
x Read only |
long (int) | The X coordinate of the left edge of the visible region of the document. |
y Read only |
long (int) | The Y coordinate of the top edge of the visible region of the document. |
Example
document.addEventListener("MozScrolledAreaChanged", function( event ) {
// find something useful to do with those values
event.width;
event.height;
event.x;
event.y;
}, false);