Sets or retrieves the top position of the object. dhtml语法 | HTML | N/A |
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| Scripting | object.style.pixelTop [ = iTop ] |
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DHTML可能的值 | iTop | Integer that
specifies or receives the top position in pixels. |
The property is read/write.
The property has no default value. The Microsoft Cascading Style Sheets (CSS) extension 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 the pixeltop property reflects the value of the cascading style sheets (css)?a href="../properties/top_0.html">top attribute. use the offsettop property to calculate actual positions within the document area. unlike the top property, the pixeltop value is an integer, not a string, and is always interpreted in pixels. for more information about how to access the dimension and location of an object on the page through the dynamic html（动态html，即dhtml）燿ocument object model (dom), see measuring element dimension and location.
是否符合公共标准
There is no public standard that applies to this property.
Applies To |
A,
ACRONYM,
ADDRESS,
APPLET,
B,
BASE,
BASEFONT,
BIG,
BLOCKQUOTE,
BODY,
BUTTON,
CAPTION,
CENTER,
CITE,
CODE,
COL,
COLGROUP,
COMMENT,
CUSTOM,
DD,
defaults,
DEL,
DFN,
DIR,
DIV,
DL,
DT,
EM,
EMBED,
FIELDSET,
FONT,
FORM,
FRAME,
FRAMESET,
HEAD,
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,
LINK,
LISTING,
MARQUEE,
MENU,
META,
nextID,
NOBR,
OBJECT,
OL,
OPTION,
P,
PLAINTEXT,
PRE,
Q,
RT,
RUBY,
runtimeStyle,
S,
SAMP,
SCRIPT,
SELECT,
SMALL,
SPAN,
STRIKE,
STRONG,
style,
SUB,
SUP,
TABLE,
TBODY,
TD,
TEXTAREA,
TFOOT,
TH,
THEAD,
TITLE,
TR,
TT,
U,
UL,
VAR,
XMP | |
更多语法参考 posTop
|