Hi all:
when I use XPather(a firefox extension) to evaluate the expression:
"/html/body/table[3]/tbody/tr/td[2]/table/tbody/tr/td/div/ul[1]/li"
it tells me there are 7 matching Nodes.
but when I use the following code to do the same thing:
nodes =
document.evalua te("/html/body/table[3]/tbody/tr/td[2]/table/tbody/tr/td/div/ul[1]/li",
document, null,XPathResul t. ORDERED_NODE_SN APSHOT_TYPE , null);
len = nodes.snapshot( 0).childNodes.l ength;
the len returns 2.
so the XPather and firefox javascript returns different results,
generally I think the result of XPather is right. I can't tell why
javascript returns 2 here
Appreciate your help!
the site I test the expression is : http://www.amazon.com/exec/obidos/AS...667641-1219860 1  1907 
shellon wrote:
when I use XPather(a firefox extension) to evaluate the expression:
"/html/body/table[3]/tbody/tr/td[2]/table/tbody/tr/td/div/ul[1]/li"
it tells me there are 7 matching Nodes.
but when I use the following code to do the same thing:
nodes =
document.evalua te("/html/body/table[3]/tbody/tr/td[2]/table/tbody/tr/td/div/ul[1]/li",
document, null,XPathResul t. ORDERED_NODE_SN APSHOT_TYPE , null);
len = nodes.snapshot( 0).childNodes.l ength;
the len returns 2.
so the XPather and firefox javascript returns different results,
generally I think the result of XPather is right. I can't tell why
javascript returns 2 here
The evaluate method returns an XPathResult object, to check the length
of a snapshot returned you need to use e.g.
var xPathResult =
document.evalua te("/html/body/table[3]/tbody/tr/td[2]/table/tbody/tr/td/div/ul[1]/li",
document, null, XPathResult.ORD ERED_NODE_SNAPS HOT_TYPE, null);
and then you can evaluate xPathResult.sna pshotLength which should then
give you the number of nodes (e.g. 7).
--
Martin Honnen http://JavaScript.FAQTs.com/ This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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