border-top-style Attribute | borderTopStyle Property

Sets or retrieves the style of the top border of the object .

Syntax

HTML Scripting

{ border-top-style : sStyle }

object . style.borderTopStyle [ = sStyle ]

Possible Values

sStyle

String that specifies or receives one of the following values.

none	Default. No border is drawn, regardless of any specified borderWidth .
dotted	Border is a dotted line. This value is supported on the Macintosh platform, as of Microsoft® Internet Explorer 4.01, and on the Microsoft Windows® platform, as of Internet Explorer 5.5. It renders as a solid line on Unix platforms, and on Windows systems running earlier versions of Internet Explorer.
dashed	Border is a dashed line. This value is supported on the Macintosh platform as of Internet Explorer 4.01 and on the Windows platform, as of Internet Explorer 5.5. It renders as a solid line on Unix platforms, and on Windows systems running earlier versions of Internet Explorer.
solid	Border is a solid line.
double	Border is a double line drawn on top of the background of the object. The sum of the two single lines and the space between equals the borderWidth value. The border width must be at least 3 pixels wide to draw a double border.
groove	3-D groove is drawn in colors based on the value.
ridge	3-D ridge is drawn in colors based on the value.
inset	3-D inset is drawn in colors based on the value.
outset	3-D outset is drawn in colors based on the value.

The property is read/write for all objects except the following, for which it is read-only: currentStyle . The property has a default value of none . The Cascading Style Sheets (CSS) attribute is not inherited.

Expressions can be used in place of the preceding value(s), as of Microsoft® Internet Explorer 5. For more information, see About Dynamic Properties .

Remarks

As of Internet Explorer 5.5, this property applies to inline elements. With earlier versions of Internet Explorer, inline elements must have an absolute position or layout to use this property. Element layout is set by providing a value for the height property or the width property.

An borderWidth greater than zero must be set for the border-top-style attribute to render.

This example uses a call to an embedded (global) style sheet to change the style of the top border from solid to groove when an onmouseover event occurs.

<HEAD>
<STYLE>
TD { border-top-style :solid; border-width:0.3cm }
.change { border-top-style :groove}
</STYLE>
</HEAD>
<BODY>
<TABLE BORDER>
<TR> <TD onmouseover="this.className='change'" onmouseout="this.className=''"> <IMG src="sphere.jpg"> </TD> </TR>
</TABLE>

This example uses inline scripting to change the style of the top border to groove when an onmouseover event occurs.

Standards Information

This property is defined in Cascading Style Sheets (CSS), Level 2 (CSS2) .

Applies To

[ Object Name ] Platform Version

Win16:
Win32:
Windows CE:
Unix:
Mac:

A , ACRONYM , B , BDO , BIG , BLOCKQUOTE , BODY , BUTTON , CAPTION , CENTER , CITE , CODE , currentStyle , CUSTOM , DD , defaults , 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 , ISINDEX , KBD , LABEL , LI , LISTING , MARQUEE , MENU , NOBR , OBJECT , OL , P , PLAINTEXT , PRE , Q , runtimeStyle , S , SAMP , SMALL , SPAN , STRIKE , STRONG , style , SUB , SUP , TABLE , TD , TEXTAREA , TH , TT , U , UL , VAR , XMP

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