onmousedown event (Internet Explorer)

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onmousedown event

[This documentation is preliminary and is subject to change.]

Fires when the user clicks the object with either mouse button.

Syntax

HTML Attribute	<element onmousedown = "handler(event)">
Event Property	object.onmousedown = handler;
attachEvent Method	object.attachEvent("onmousedown", handler)
addEventListener Method	object.addEventListener("mousedown", handler, useCapture)

Standards information

HTML 4.01 Specification, Section 18.2.3

Event information

Synchronous	No
Bubbles	No
Cancelable	No

Event handler parameters

pEvtObj [in]: Type: IHTMLEventObj

Remarks

Use the button property to determine which mouse button is clicked.

Initiates actions associated with the event and with the object being clicked.

To invoke this event, do one of the following:

Click a mouse button.

The pEvtObj parameter is required for the following interfaces:

HTMLAnchorEvents2
HTMLAreaEvents2
HTMLButtonElementEvents2
HTMLControlElementEvents2
HTMLDocumentEvents2
HTMLElementEvents2
HTMLFormElementEvents2
HTMLImgEvents2
HTMLFrameSiteEvents2
HTMLInputFileElementEvents2
HTMLInputImageEvents2
HTMLInputTextElementEvents2
HTMLLabelEvents2
HTMLLinkElementEvents2
HTMLMapEvents2
HTMLMarqueeElementEvents2
HTMLObjectElementEvents2
HTMLOptionButtonElementEvents2
HTMLScriptEvents2
HTMLSelectElementEvents2
HTMLStyleElementEvents2
HTMLTableEvents2
HTMLTextContainerEvents2
HTMLWindowEvents2
HTMLWindowEvents4

Examples

This example shows how to determine the origin of the onmousedown event when event bubbling is used.

Code example: http://samples.msdn.microsoft.com/workshop/samples/author/dhtml/refs/onmousedownEX.htm


<BODY onmousedown="console.log(event.srcElement.tagName)">
<TABLE BORDER=1>
  <TH>Click the items below with your mouse.</TH>
  <TR><TD><BUTTON>Click Me</BUTTON></TD></TR>
  <TR><TD><INPUT TYPE=text VALUE="Click Me"></TD></TR>
  <TR><TD><SPAN>Click Me</SPAN></TD></TR>
</TABLE>
<P>This code retrieves the tagName of the object on which
   the onmousedown event has fired.
</BODY>