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05.16.2008 at 05:23AM PDT, ID: 23408011
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9.9

parsing xml with javascript - breaks on hitting an empty node

Zones: JavaScript, Extensible Markup Language (XML)
Tags: javascript
hi,

i'm using javascript to loop through an xml file and pull out data according to the value of the ASP variable 'nameOfTerm'. the attached code works fine to pull out the required 'name' and 'definition' elements, UNTIL it comes across an empty 'definition' node, and then it ignores any names or definitons that come after the empty node.

e.g. if my xml file looks like this:

<term>
<name>1</name>
<definition>a</definition>
</term>

<term>
<name>2</name>
<definition>b</definition>
</term>

<term>
<name>3</name>
<definition></definition>
</term>

<term>
<name>4</name>
<definition>d</definition>
</term>

..and the variable nameOfTerm matches 1 or 2, everything works fine. but if it matches 3 or 4 i get no result. whereas if i put just a space in the 3rd definition node then they all work, but i don't want to have to do this.

does anyone have any ideas?

thanks,

liz
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//loop through them to find one with a name that matches the nameOfTerm
for (var i=0; i<noOfTerms; i++) { //for all the terms in the glossary
	name = xmlhttp.getElementsByTagName("glossary")[0].getElementsByTagName("term")[i].getElementsByTagName("name")[0].firstChild.nodeValue;
	definition = xmlhttp.getElementsByTagName("glossary")[0].getElementsByTagName("term")[i].getElementsByTagName("definition")[0].firstChild.nodeValue;
 
	if (name == '<%=nameOfTerm%>') { //if the name of the term passed into the glossary function matches a name in the glossary xml file
	document.write ("<a href='#' class='tooltip'><%=nameOfTerm%><span>" + definition.replace(/<(.|\n)+?>/gi, "") + "</span></a>");
	}//the above line uses a regex to remove all the html tags from the definition. gi means it does this globally and without case sensitivity
}
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Question Stats
Zone: Programming
Question Asked By: liz1976
Solution Provided By: mplungjan
Participating Experts: 1
Solution Grade: A
Views: 0
Translate:
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05.16.2008 at 05:34AM PDT, ID: 21582089

Rank: Genius

mplungjan:

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