background-position-y Attribute | backgroundPositionY参数属性

Sets or retrieves the y-coordinate of the backgroundposition property.

dhtml语法

HTML { background-position-y : iPositionY }
Scripting object.style.backgroundPositionY [ = iPositionY ]

DHTML可能的值

iPositionY Variant that specifies or receives one of the following values.
length Floating-point number, followed by an absolute units designator (cm, mm, in, pt, pc, or px) or a relative units designator (em or ex). For more information about the supported length units, see css length units reference.
percentage integer, followed by a percent sign (%). the value is a percentage of the width or height of the object.
vAlignment Vertical alignment value. Possible values include the following:
top Vertical alignment is at the top.
center Vertical alignment is centered.
bottom Vertical alignment is at the bottom.
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 0%. 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.

是否符合公共标准

This property is a Microsoft extension to Cascading Style Sheets (CSS) .

Applies To

A, ACRONYM, ADDRESS, APPLET, B, BASE, BASEFONT, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, COMMENT, currentStyle, 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, 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

backgroundPositionX