event

The event object contains properties that describe a JavaScript event, and is passed as an argument to an event handler when the event occurs.

Client-side object

Implemented in
Navigator 4.0

In the case of a mouse-down event, for example, the event object contains the type of event (in this case MouseDown), the x and y position of the cursor at the time of the event, a number representing the mouse button used, and a field containing the modifier keys (Control, Alt, Meta, or Shift) that were depressed at the time of the event. The properties used within the event object vary from one type of event to another. This variation is provided in the descriptions of individual event handlers.

For more information, see "General Information about Events".

<A HREF="http://home.netscape.com" onClick='alert("Link got an event: "
+ event.type)'>Click for link event</A>

The following example uses the event object in an explicitly called event handler.

<SCRIPT>
function fun1(evnt) {
   alert ("Document got an event: " + evnt.type);
   alert ("x position is " + evnt.layerX);
   alert ("y position is " + evnt.layerY);
   if (evnt.modifiers & Event.ALT_MASK)
      alert ("Alt key was down for event.");
   return true;
   }
document.onmousedown = fun1;
</SCRIPT>

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Last Updated: 10/31/97 16:34:02

target	String representing the object to which the event was originally sent. (All events)
type	String representing the event type. (All events)
data	Returns an array of strings containing the URLs of the dropped objects. Passed with the DragDrop event.
height	Represents the height of the window or frame.
layerX	Number specifying either the object width when passed with the resize event, or the cursor's horizontal position in pixels relative to the layer in which the event occurred. Note that `layerX` is synonymous with x.
layerY	Number specifying either the object height when passed with the resize event, or the cursor's vertical position in pixels relative to the layer in which the event occurred. Note that `layerY` is synonymous with y.
modifiers	String specifying the modifier keys associated with a mouse or key event. Modifier key values are: ALT_MASK, CONTROL_MASK, SHIFT_MASK, and META_MASK.
pageX	Number specifying the cursor's horizontal position in pixels, relative to the page.
pageY	Number specifying the cursor's vertical position in pixels relative to the page.
screenX	Number specifying the cursor's horizontal position in pixels, relative to the screen.
screenY	Number specifying the cursor's vertical position in pixels, relative to the screen.
which	Number specifying either the mouse button that was pressed or the ASCII value of a pressed key. For a mouse, 1 is the left button, 2 is the middle button, and 3 is the right button.
width	Represents the width of the window or frame.

event

Created by

Security

Property Summary

Example