id This property is used to set or define the identifier that is to be used to reference an element or a group of elements within the page. If there is more than one element with the same ID="elementID set, the values can be made to be placed in an array which can be referenced and acted upon. syntax: document.all.tags(tag)[0].id This Property is used to access attributes of the following: A ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BGSOUND BIG BLOCKQUOTE BODY BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP COMMENT DD DEL DFN DIR DIV DL DT EM EMBED FIELDSET FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INS KBD LABEL LEGEND LI LINK LISTING MAP MARQUEE MENU META NOFRAMES NOSCRIPT OBJECT OL OPTION P PLAINTEXT PRE Q 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 button checkbox fileUpload hidden layer password radio reset styleSheet submit