Атрибут ID

ID=string

An SGML identifier used as the target for hypertext links or for naming particular elements in associated style sheets. Valid names to script with are any alphanumeric string that begins with a letter. Valid special characters include underbar "_".

id should be unique throughout the scope of the current document. Should there be more than one object with the same identifier, a collection of those named items is created that can only be referenced by ordinal position.

Applies To

BGSOUND, OPTION, A, ADDRESS, APPLET, AREA, B, BIG, BLOCKQUOTE, BODY, BR, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DFN, DIR, DIV, DL, DT, EM, EMBED, FONT, FORM, FRAME, FRAMESET, h3, H2, H3, H4, H5, H6, HEAD, HR, I, IFRAME, IMG, INPUT, KBD, LABEL, LI, LISTING, MAP, MARQUEE, MENU, BASEFONT, NOBR, NOFRAMES, OBJECT, OL, P, PLAINTEXT, PRE, S, SAMP, SCRIPT, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR, WBR, XMP, LINK, COMMENT