sakura169(〖一诺轻天下〗)的网址,我得到一个英文的资料如下: 有人懂英文吗? parentNode Property Internet Development Index --------------------------------------------------------------------------------Retrieves the parent object in the document hierarchy. What's New for Microsoft® Internet Explorer 6 This property now applies to the attribute object. SyntaxHTML N/A Scripting [ oElement = ] object.parentNode Possible ValuesoElement Object that receives the parent node. The property is read-only. The property has no default value.ResThe topmost object returns null as its parent. ExamplesThis example assigns the parentNode of a span object to a variable.<SCRIPT> var oParent = oSpan.parentNode; </SCRIPt> : <BODY> <SPAN ID=oSpan>A Span</SPAN> </BODY> This example assigns the parentNode of a node, created with the createElement method, to a variable.var oNode = document.createElement("B"); document.body.insertBefore(oNode); var sType = oNode.parentNodes;
http://msdn.microsoft.com/library/default.asp?url=/workshop/author/dhtml/reference/properties/parentnode.asp
比如td的parentNode为tr，只能有一个父节点
2.选择是否
document.all是否存在？yes 选择td.children no选择childNodes
3.div的子元素，就是他下面可能包含子元素
有人懂英文吗?
parentNode Property Internet Development Index --------------------------------------------------------------------------------Retrieves the parent object in the document hierarchy. What's New for Microsoft® Internet Explorer 6
This property now applies to the attribute object. SyntaxHTML N/A
Scripting [ oElement = ] object.parentNode Possible ValuesoElement Object that receives the parent node. The property is read-only. The property has no default value.ResThe topmost object returns null as its parent. ExamplesThis example assigns the parentNode of a span object to a variable.<SCRIPT>
var oParent = oSpan.parentNode;
</SCRIPt>
:
<BODY>
<SPAN ID=oSpan>A Span</SPAN>
</BODY>
This example assigns the parentNode of a node, created with the createElement method, to a variable.var oNode = document.createElement("B");
document.body.insertBefore(oNode);
var sType = oNode.parentNodes;