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Deprecated
This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Do not use it in old or new projects. Pages or Web apps using it may break at any time.

The MouseEvent.initMouseEvent() method initializes the value of a mouse event once it's been created (normally using the Document.createEvent() method).

Events initialized in this way must have been created with the Document.createEvent() method. This method must be called to set the event before it is dispatched, using EventTarget.dispatchEvent(). Once dispatched, it doesn't do anything anymore.

Do not use this method anymore as it is deprecated.

Instead use specific event constructors, like MouseEvent(). The page on Creating and triggering events gives more information about the way to use these.

Syntax

event.initMouseEvent(type, canBubble, cancelable, view,
                     detail, screenX, screenY, clientX, clientY,
                     ctrlKey, altKey, shiftKey, metaKey,
                     button, relatedTarget);

Parameters

type
the string to set the event's type to. Possible types for mouse events include: click, mousedown, mouseup, mouseover, mousemove, mouseout.
canBubble
whether or not the event can bubble. Sets the value of Event.bubbles.
cancelable
whether or not the event's default action can be prevented. Sets the value of Event.cancelable.
view
the event's AbstractView. You should pass the window object here. Sets the value of UIEvent.view.
detail
the event's mouse click count. Sets the value of Event.detail.
screenX
the event's screen x coordinate. Sets the value of MouseEvent.screenX.
screenY
the event's screen y coordinate. Sets the value of MouseEvent.screenY.
clientX
the event's client x coordinate. Sets the value of MouseEvent.clientX.
clientY
the event's client y coordinate. Sets the value of MouseEvent.clientY.
ctrlKey
whether or not control key was depressed during the Event. Sets the value of MouseEvent.ctrlKey.
altKey
whether or not alt key was depressed during the Event. Sets the value of MouseEvent.altKey.
shiftKey
whether or not shift key was depressed during the Event. Sets the value of MouseEvent.shiftKey.
metaKey
whether or not meta key was depressed during the Event. Sets the value of MouseEvent.metaKey.
button
the event's mouse button.
relatedTarget
the event's related EventTarget. Only used with some event types (e.g. mouseover and mouseout). In other cases, pass null.

 

Example

HTML Content

<div style="background:red;width:180px;padding:10px;">
 <div id="out"></div>
 <input type="text">
</div>

JavaScript Content

document.body.onclick = function(){
 e = arguments[0];
 var dt = e.target,stag = dt.tagName.toLowerCase();
 document.getElementById("out").innerHTML = stag;
};
var simulateClick = function(){
 var evt = document.createEvent("MouseEvents");
 evt.initMouseEvent("click", true, true, window, 0, 0, 0, 80, 20, false, false, false, false, 0, null);
 document.body.dispatchEvent(evt);
}
simulateClick();//Why it can not show "input" ?

Here's a live demo

Link to live demo

Specifications

Specification Status Comment
Document Object Model (DOM) Level 3 Events Specification
The definition of 'MouseEvent.initMouseEvent()' in that specification.
Working Draft From Document Object Model (DOM) Level 2 Events Specification, deprecated.
Document Object Model (DOM) Level 2 Events Specification
The definition of 'MouseEvent.initMouseEvent()' in that specification.
Recommendation Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) (Yes) ? (Yes) ?
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) ? (Yes) ?

See Also

ドキュメントのタグと貢献者

 最終更新者: teoli,