firstChild参数属性

DHTML文档教程

Retrieves a reference to the first child in the childnodes collection of the object.

What's New for Microsoft® Internet Explorer 6

This property now applies to the attribute object.

dhtml语法

HTML N/A
Scripting [ oElement = ] object.firstChild

DHTML可能的值

oElement Object that receives the first child object.
The property is read-only. The property has no default value.

DHTML代码范例

This example implements the firstChild attribute to obtain the first child element of an object.
<SCRIPT>
var oFirstChild = oList.firstChild;
</SCRIPT>
<BODY>
<UL ID = oList>
<LI>List Item 1
<LI>List Item 2
<LI>List Item 3
</UL>
<BODY>

是否符合公共标准

This property is defined in World Wide Web Consortium (W3C) Document Object Model (DOM) Level 1 .

Applies To

A, ACRONYM, ADDRESS, APPLET, AREA, attribute, B, BASE, BASEFONT, BDO, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, COMMENT, DD, DEL, DFN, DIR, DIV, DL, DT, EM, EMBED, FIELDSET, FONT, FORM, FRAME, FRAMESET, HEAD, hn, HR, HTML, 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, MAP, MARQUEE, MENU, nextID, OL, OPTION, P, PLAINTEXT, PRE, Q, S, SAMP, SCRIPT, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TITLE, TR, TT, U, UL, VAR, XMP

更多语法参考

lastchild, About the W3C Document Object Model