onmousedown Event

DHTML, HTML, & CSS

 
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onmousedown Event


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

Syntax

Inline HTML<ELEMENT onmousedown = "handler" ... >All platforms
Event propertyobject.onmousedown = handlerJScript (compatible with ECMA 262 language specification) only
Named script<SCRIPT FOR = object EVENT = onmousedown>Internet Explorer only

Remarks

BubblesYes
CancelsYes
To invoke Click a mouse button.
Default action Initiates actions associated with the event and with the object being clicked.

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

Event Object Properties

Although event handlers in the DHTML Object Model do not receive parameters directly, the handler can query the event object for data.

Event Object Properties

altKeyRetrieves the current state of the ALT key.
buttonRetrieves which mouse button, if any, is pressed.
cancelBubbleSets or retrieves whether the current event should bubble up the hierarchy of event handlers.
clientXRetrieves the x-coordinate of the mouse cursor relative to the client area of the window, excluding window decorations or scroll bars.
clientYRetrieves the y-coordinate of the mouse cursor relative to the client area of the window, excluding window decorations or scroll bars.
ctrlKeyRetrieves the state of the CTRL key.
offsetXRetrieves the horizontal coordinate of the mouse's position relative to the object firing the event.
offsetYRetrieves the vertical coordinate of the mouse's position relative to the object firing the event.
returnValueSets or retrieves the return value from the event.
screenXRetrieves the horizontal position of the mouse, in pixels, relative to the user's screen.
screenYRetrieves the vertical position of the mouse, in pixels, relative to the user's screen.
shiftKeyRetrieves the state of the SHIFT key.
srcElementRetrieves the object that fired the event.
typeRetrieves the event name from the event object.
xRetrieves the x-coordinate of the mouse cursor relative to the parent element.
yRetrieves the y-coordinate of the mouse cursor relative to the parent element.

Example

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

Sample Code

<BODY onmousedown="alert(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>

This feature requires Internet Explorer 4.0 or later. Click the icon below to install the latest version. Then reload this page to view the sample.
Microsoft Internet Explorer

Applies To

[ Object Name ]
PlatformVersion
Win16:
Win32:
Mac:
Unix:
WinCE:
Version data is listed when the mouse hovers over a link, or the link has focus.
A, ADDRESS, APPLET, AREA, B, BDO, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, custom, DD, DFN, DIR, DIV, DL, document, DT, EM, EMBED, FIELDSET, FONT, FORM, Hn, HR, I, IMG, INPUT type=button, INPUT type=checkbox, INPUT type=file, INPUT type=image, INPUT type=password, INPUT type=radio, INPUT type=reset, INPUT type=submit, INPUT type=text, KBD, LABEL, LEGEND, LI, LISTING, MAP, MARQUEE, MENU, OL, P, PLAINTEXT, PRE, RT, RUBY, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR, XMP

See Also

onmousemove, onmouseout, onmouseover, onmouseup


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