offsetLeft Property

DHTML, HTML, & CSS

offsetLeft Property


Retrieves the calculated left position of the object relative to the layout or coordinate parent, as specified by the offsetParent property.

Syntax

HTMLN/A
Scripting[ iCoord = ] object.offsetLeft

Possible Values

iCoordInteger that specifies the left position, in pixels.

The property is read-only with no default value.

Remarks

You can determine the location, width, and height of an object by using a combination of the offsetLeft, offsetTop, offsetHeight, and offsetWidth properties. These numeric properties specify the physical coordinates and dimensions of the object relative to the object's offset parent.

For more information about how to access the dimension and location of objects on the page through the document object model, see measuring element dimension and locationInternet Link.

Example

This example uses the offsetLeft property to determine whether an object is in the user's view.

Sample Code

<SCRIPT>
function isinView(oObject)
{
    var oParent = oObject.offsetParent; 
    var iOffsetLeft = oDiv.offsetLeft;
    var iClientWidth = oParent.clientWidth;
    if (iOffsetLeft > iClientWidth) {
        alert("Scroll right for the message.");
        }
}
</SCRIPT>
:
<BUTTON onclick="isinView(this)">Click here</BUTTON>
:
<DIV ID=oDiv STYLE="position:absolute; top:200; left:1200;">
:
</DIV>

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, ACRONYM, ADDRESS, APPLET, AREA, B, BDO, BIG, BLOCKQUOTE, BODY, BR, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, custom, DD, DEL, DFN, DIR, DIV, DL, DT, EM, EMBED, FIELDSET, FONT, FORM, FRAME, Hn, HR, I, IFRAME, 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, INS, KBD, LABEL, LEGEND, LI, LISTING, MAP, MARQUEE, MENU, NEXTID, NOBR, OBJECT, OL, OPTION, P, PLAINTEXT, PRE, Q, RT, RUBY, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TextRange, TFOOT, TH, THEAD, TR, TT, U, UL, VAR, XMP

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