sourceIndex参数属性

Retrieves the ordinal position of the object, in source order, as the object appears in the document's all collection.

dhtml语法

html n/a
scripting [ iindex = ] object.sourceindex

dhtml可能的值

iIndex Integer that receives the ordinal position.
The property is read-only. The property has no default value.

DHTML代码范例

This example uses the sourceIndex property to identify the previous and next elements in the all collection.

<SCRIPT>
function fnHandler(){
// Retrieve the element that fired the event.
var oElement=event.srcElement;
var iIndex=oElement.sourceIndex;
var sTagName=oElement.tagName;
if(sTagName=="!"){
sTagName="COMMENT";
}
oVal1.innerText=iIndex;
oVal2.innerText=sTagName;
if(iIndex-1>0){
sTagName=document.all[iIndex-1].tagName;
if(sTagName=="!"){
sTagName="COMMENT";
}
oVal3.innerText=sTagName;
}
else{
oVal3.innerText="Cannot read.";
}
if(iIndex+1<document.all.length){
sTagName=document.all[iIndex+1].tagName;
if(sTagName=="!"){
sTagName="COMMENT";
}
oVal4.innerText=sTagName;
}
else{
oVal4.innerText="Cannot read.";
}
}
</SCRIPT>
<BODY onmousemove="fnHandler()">
<TABLE>
<TR><TD>Source Index:</TD><TD ID=oVal1></TD></TR>
<TR><TD>Object Name:</TD><TD ID=oVal2></TD></TR>
<TR><TD>Previous Object:</TD><TD ID=oVal3></TD></TR>
<TR><TD>Next Object:</TD><TD ID=oVal4></TD></TR>
</TABLE>
</BODY>

This feature requires Microsoft® Internet Explorer 4.0 or later. Click the following icon to install the latest version. Then reload this page to view the sample.

是否符合公共标准

There is no public standard that applies to this property.

Applies To

A, ACRONYM, ADDRESS, APPLET, AREA, B, BASE, BASEFONT, BDO, BGSOUND, BIG, BLOCKQUOTE, BODY, BR, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, COMMENT, CUSTOM, 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=hidden, INPUT type=image, INPUT type=password, INPUT type=radio, INPUT type=reset, INPUT type=submit, INPUT type=text, INS, KBD, LABEL, LI, LINK, LISTING, MAP, MARQUEE, MENU, META, nextID, NOBR, OBJECT, OL, 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